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Finding the Fourth Proportional to 247,672.72, 371,505.07 and 97,914.40

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Solution

The fourth proportional to 247,672.72, 371,505.07 and 97,914.40 is: 146,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,672.72 : 371,505.07 = 97,914.40 : x
  2. Step 2: Convert to fraction form
    247,672.72/371,505.07 = 97,914.40/x
  3. Step 3: Cross multiply
    247,672.72x = 371,505.07 × 97,914.40
  4. Step 4: Simplify right side
    247,672.72x = 36,375,696,026.01
  5. Step 5: Solve for x
    x = 36,375,696,026.01/247,672.72
  6. Step 6: Final answer
    x = 146,870.01

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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.