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Finding the Fourth Proportional to 60,180.61, 83,207.78 and 52,707.21

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Solution

The fourth proportional to 60,180.61, 83,207.78 and 52,707.21 is: 72,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,180.61 : 83,207.78 = 52,707.21 : x
  2. Step 2: Convert to fraction form
    60,180.61/83,207.78 = 52,707.21/x
  3. Step 3: Cross multiply
    60,180.61x = 83,207.78 × 52,707.21
  4. Step 4: Simplify right side
    60,180.61x = 4,385,649,934.09
  5. Step 5: Solve for x
    x = 4,385,649,934.09/60,180.61
  6. Step 6: Final answer
    x = 72,874.80

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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.