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Finding the Fourth Proportional to 247,117.74, 370,253.40 and 134,876.72

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Solution

The fourth proportional to 247,117.74, 370,253.40 and 134,876.72 is: 202,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,117.74 : 370,253.40 = 134,876.72 : x
  2. Step 2: Convert to fraction form
    247,117.74/370,253.40 = 134,876.72/x
  3. Step 3: Cross multiply
    247,117.74x = 370,253.40 × 134,876.72
  4. Step 4: Simplify right side
    247,117.74x = 49,938,564,677.38
  5. Step 5: Solve for x
    x = 49,938,564,677.38/247,117.74
  6. Step 6: Final answer
    x = 202,084.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.