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Finding the Fourth Proportional to 247,562.93, 341,644.98 and 140,130.66

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Solution

The fourth proportional to 247,562.93, 341,644.98 and 140,130.66 is: 193,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,562.93 : 341,644.98 = 140,130.66 : x
  2. Step 2: Convert to fraction form
    247,562.93/341,644.98 = 140,130.66/x
  3. Step 3: Cross multiply
    247,562.93x = 341,644.98 × 140,130.66
  4. Step 4: Simplify right side
    247,562.93x = 47,874,936,533.09
  5. Step 5: Solve for x
    x = 47,874,936,533.09/247,562.93
  6. Step 6: Final answer
    x = 193,384.92

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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.