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Finding the Fourth Proportional to 157,325.20, 217,114.04 and 89,345.20

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Solution

The fourth proportional to 157,325.20, 217,114.04 and 89,345.20 is: 123,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,325.20 : 217,114.04 = 89,345.20 : x
  2. Step 2: Convert to fraction form
    157,325.20/217,114.04 = 89,345.20/x
  3. Step 3: Cross multiply
    157,325.20x = 217,114.04 × 89,345.20
  4. Step 4: Simplify right side
    157,325.20x = 19,398,097,326.61
  5. Step 5: Solve for x
    x = 19,398,097,326.61/157,325.20
  6. Step 6: Final answer
    x = 123,299.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.