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Finding the Fourth Proportional to 141,691.86, 195,628.86 and 88,056.90

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Solution

The fourth proportional to 141,691.86, 195,628.86 and 88,056.90 is: 121,577.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,691.86 : 195,628.86 = 88,056.90 : x
  2. Step 2: Convert to fraction form
    141,691.86/195,628.86 = 88,056.90/x
  3. Step 3: Cross multiply
    141,691.86x = 195,628.86 × 88,056.90
  4. Step 4: Simplify right side
    141,691.86x = 17,226,470,962.13
  5. Step 5: Solve for x
    x = 17,226,470,962.13/141,691.86
  6. Step 6: Final answer
    x = 121,577.00

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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.