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Finding the Fourth Proportional to 125,548.96, 188,306.56 and 46,652.32

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Solution

The fourth proportional to 125,548.96, 188,306.56 and 46,652.32 is: 69,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,548.96 : 188,306.56 = 46,652.32 : x
  2. Step 2: Convert to fraction form
    125,548.96/188,306.56 = 46,652.32/x
  3. Step 3: Cross multiply
    125,548.96x = 188,306.56 × 46,652.32
  4. Step 4: Simplify right side
    125,548.96x = 8,784,937,895.22
  5. Step 5: Solve for x
    x = 8,784,937,895.22/125,548.96
  6. Step 6: Final answer
    x = 69,972.21

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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.