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Finding the Fourth Proportional to 252,176.91, 348,001.90 and 137,455.57

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Solution

The fourth proportional to 252,176.91, 348,001.90 and 137,455.57 is: 189,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,176.91 : 348,001.90 = 137,455.57 : x
  2. Step 2: Convert to fraction form
    252,176.91/348,001.90 = 137,455.57/x
  3. Step 3: Cross multiply
    252,176.91x = 348,001.90 × 137,455.57
  4. Step 4: Simplify right side
    252,176.91x = 47,834,799,525.58
  5. Step 5: Solve for x
    x = 47,834,799,525.58/252,176.91
  6. Step 6: Final answer
    x = 189,687.47

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1.5x scale

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.