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Finding the Fourth Proportional to 250,788.40, 376,244.80 and 124,487.92

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Solution

The fourth proportional to 250,788.40, 376,244.80 and 124,487.92 is: 186,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,788.40 : 376,244.80 = 124,487.92 : x
  2. Step 2: Convert to fraction form
    250,788.40/376,244.80 = 124,487.92/x
  3. Step 3: Cross multiply
    250,788.40x = 376,244.80 × 124,487.92
  4. Step 4: Simplify right side
    250,788.40x = 46,837,932,562.82
  5. Step 5: Solve for x
    x = 46,837,932,562.82/250,788.40
  6. Step 6: Final answer
    x = 186,762.76

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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.