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Finding the Fourth Proportional to 130,833.60, 196,048.80 and 97,396.80

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Solution

The fourth proportional to 130,833.60, 196,048.80 and 97,396.80 is: 145,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,833.60 : 196,048.80 = 97,396.80 : x
  2. Step 2: Convert to fraction form
    130,833.60/196,048.80 = 97,396.80/x
  3. Step 3: Cross multiply
    130,833.60x = 196,048.80 × 97,396.80
  4. Step 4: Simplify right side
    130,833.60x = 19,094,525,763.84
  5. Step 5: Solve for x
    x = 19,094,525,763.84/130,833.60
  6. Step 6: Final answer
    x = 145,945.12

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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.