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Finding the Fourth Proportional to 252,345.87, 348,237.63 and 137,624.76

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Solution

The fourth proportional to 252,345.87, 348,237.63 and 137,624.76 is: 189,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,345.87 : 348,237.63 = 137,624.76 : x
  2. Step 2: Convert to fraction form
    252,345.87/348,237.63 = 137,624.76/x
  3. Step 3: Cross multiply
    252,345.87x = 348,237.63 × 137,624.76
  4. Step 4: Simplify right side
    252,345.87x = 47,926,120,251.72
  5. Step 5: Solve for x
    x = 47,926,120,251.72/252,345.87
  6. Step 6: Final answer
    x = 189,922.35

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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.