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Finding the Fourth Proportional to 207,011.60, 310,298.70 and 118,073.60

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Solution

The fourth proportional to 207,011.60, 310,298.70 and 118,073.60 is: 176,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,011.60 : 310,298.70 = 118,073.60 : x
  2. Step 2: Convert to fraction form
    207,011.60/310,298.70 = 118,073.60/x
  3. Step 3: Cross multiply
    207,011.60x = 310,298.70 × 118,073.60
  4. Step 4: Simplify right side
    207,011.60x = 36,638,084,584.32
  5. Step 5: Solve for x
    x = 36,638,084,584.32/207,011.60
  6. Step 6: Final answer
    x = 176,985.66

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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.