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Finding the Fourth Proportional to 178,057.08, 245,719.17 and 97,489.89

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Solution

The fourth proportional to 178,057.08, 245,719.17 and 97,489.89 is: 134,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,057.08 : 245,719.17 = 97,489.89 : x
  2. Step 2: Convert to fraction form
    178,057.08/245,719.17 = 97,489.89/x
  3. Step 3: Cross multiply
    178,057.08x = 245,719.17 × 97,489.89
  4. Step 4: Simplify right side
    178,057.08x = 23,955,134,854.19
  5. Step 5: Solve for x
    x = 23,955,134,854.19/178,057.08
  6. Step 6: Final answer
    x = 134,536.27

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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.