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Finding the Fourth Proportional to 151,248.88, 226,873.32 and 40,438

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Solution

The fourth proportional to 151,248.88, 226,873.32 and 40,438 is: 60,657

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,248.88 : 226,873.32 = 40,438 : x
  2. Step 2: Convert to fraction form
    151,248.88/226,873.32 = 40,438/x
  3. Step 3: Cross multiply
    151,248.88x = 226,873.32 × 40,438
  4. Step 4: Simplify right side
    151,248.88x = 9,174,303,314.16
  5. Step 5: Solve for x
    x = 9,174,303,314.16/151,248.88
  6. Step 6: Final answer
    x = 60,657

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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.