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Finding the Fourth Proportional to 155,165.92, 214,129.11 and 88,097.92

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Solution

The fourth proportional to 155,165.92, 214,129.11 and 88,097.92 is: 121,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,165.92 : 214,129.11 = 88,097.92 : x
  2. Step 2: Convert to fraction form
    155,165.92/214,129.11 = 88,097.92/x
  3. Step 3: Cross multiply
    155,165.92x = 214,129.11 × 88,097.92
  4. Step 4: Simplify right side
    155,165.92x = 18,864,329,202.45
  5. Step 5: Solve for x
    x = 18,864,329,202.45/155,165.92
  6. Step 6: Final answer
    x = 121,575.21

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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.