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Finding the Fourth Proportional to 247,711.31, 341,841.72 and 134,534.06

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Solution

The fourth proportional to 247,711.31, 341,841.72 and 134,534.06 is: 185,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,711.31 : 341,841.72 = 134,534.06 : x
  2. Step 2: Convert to fraction form
    247,711.31/341,841.72 = 134,534.06/x
  3. Step 3: Cross multiply
    247,711.31x = 341,841.72 × 134,534.06
  4. Step 4: Simplify right side
    247,711.31x = 45,989,355,712.29
  5. Step 5: Solve for x
    x = 45,989,355,712.29/247,711.31
  6. Step 6: Final answer
    x = 185,657.07

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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.