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Finding the Fourth Proportional to 70,332.80, 97,104.54 and 62,766.14

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Solution

The fourth proportional to 70,332.80, 97,104.54 and 62,766.14 is: 86,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,332.80 : 97,104.54 = 62,766.14 : x
  2. Step 2: Convert to fraction form
    70,332.80/97,104.54 = 62,766.14/x
  3. Step 3: Cross multiply
    70,332.80x = 97,104.54 × 62,766.14
  4. Step 4: Simplify right side
    70,332.80x = 6,094,877,152.28
  5. Step 5: Solve for x
    x = 6,094,877,152.28/70,332.80
  6. Step 6: Final answer
    x = 86,657.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.