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Finding the Fourth Proportional to 141,772.92, 212,695.80 and 41,929.08

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Solution

The fourth proportional to 141,772.92, 212,695.80 and 41,929.08 is: 62,904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,772.92 : 212,695.80 = 41,929.08 : x
  2. Step 2: Convert to fraction form
    141,772.92/212,695.80 = 41,929.08/x
  3. Step 3: Cross multiply
    141,772.92x = 212,695.80 × 41,929.08
  4. Step 4: Simplify right side
    141,772.92x = 8,918,139,213.86
  5. Step 5: Solve for x
    x = 8,918,139,213.86/141,772.92
  6. Step 6: Final answer
    x = 62,904.39

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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.