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Finding the Fourth Proportional to 125,925.69, 188,843.16 and 41,670.30

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Solution

The fourth proportional to 125,925.69, 188,843.16 and 41,670.30 is: 62,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,925.69 : 188,843.16 = 41,670.30 : x
  2. Step 2: Convert to fraction form
    125,925.69/188,843.16 = 41,670.30/x
  3. Step 3: Cross multiply
    125,925.69x = 188,843.16 × 41,670.30
  4. Step 4: Simplify right side
    125,925.69x = 7,869,151,130.15
  5. Step 5: Solve for x
    x = 7,869,151,130.15/125,925.69
  6. Step 6: Final answer
    x = 62,490.43

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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.