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Finding the Fourth Proportional to 137,950.13, 206,925.20 and 39,454.13

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Solution

The fourth proportional to 137,950.13, 206,925.20 and 39,454.13 is: 59,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,950.13 : 206,925.20 = 39,454.13 : x
  2. Step 2: Convert to fraction form
    137,950.13/206,925.20 = 39,454.13/x
  3. Step 3: Cross multiply
    137,950.13x = 206,925.20 × 39,454.13
  4. Step 4: Simplify right side
    137,950.13x = 8,164,052,509.18
  5. Step 5: Solve for x
    x = 8,164,052,509.18/137,950.13
  6. Step 6: Final answer
    x = 59,181.19

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1.5x scale

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.