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Finding the Fourth Proportional to 156,612.48, 216,125.48 and 92,963.04

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Solution

The fourth proportional to 156,612.48, 216,125.48 and 92,963.04 is: 128,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,612.48 : 216,125.48 = 92,963.04 : x
  2. Step 2: Convert to fraction form
    156,612.48/216,125.48 = 92,963.04/x
  3. Step 3: Cross multiply
    156,612.48x = 216,125.48 × 92,963.04
  4. Step 4: Simplify right side
    156,612.48x = 20,091,681,642.26
  5. Step 5: Solve for x
    x = 20,091,681,642.26/156,612.48
  6. Step 6: Final answer
    x = 128,289.15

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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.