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Finding the Fourth Proportional to 250,418.64, 375,641.64 and 63,431.76

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Solution

The fourth proportional to 250,418.64, 375,641.64 and 63,431.76 is: 95,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,418.64 : 375,641.64 = 63,431.76 : x
  2. Step 2: Convert to fraction form
    250,418.64/375,641.64 = 63,431.76/x
  3. Step 3: Cross multiply
    250,418.64x = 375,641.64 × 63,431.76
  4. Step 4: Simplify right side
    250,418.64x = 23,827,610,354.49
  5. Step 5: Solve for x
    x = 23,827,610,354.49/250,418.64
  6. Step 6: Final answer
    x = 95,151.11

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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.