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Finding the Fourth Proportional to 101,392,009.60, 152,088,014.40 and 97,808,828.80

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Solution

The fourth proportional to 101,392,009.60, 152,088,014.40 and 97,808,828.80 is: 146,713,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,392,009.60 : 152,088,014.40 = 97,808,828.80 : x
  2. Step 2: Convert to fraction form
    101,392,009.60/152,088,014.40 = 97,808,828.80/x
  3. Step 3: Cross multiply
    101,392,009.60x = 152,088,014.40 × 97,808,828.80
  4. Step 4: Simplify right side
    101,392,009.60x = 14,875,550,562,981,534
  5. Step 5: Solve for x
    x = 14,875,550,562,981,534/101,392,009.60
  6. Step 6: Final answer
    x = 146,713,243.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.