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Finding the Fourth Proportional to 247,807.38, 371,725.14 and 70,300.44

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Solution

The fourth proportional to 247,807.38, 371,725.14 and 70,300.44 is: 105,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,807.38 : 371,725.14 = 70,300.44 : x
  2. Step 2: Convert to fraction form
    247,807.38/371,725.14 = 70,300.44/x
  3. Step 3: Cross multiply
    247,807.38x = 371,725.14 × 70,300.44
  4. Step 4: Simplify right side
    247,807.38x = 26,132,440,901.06
  5. Step 5: Solve for x
    x = 26,132,440,901.06/247,807.38
  6. Step 6: Final answer
    x = 105,454.65

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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.