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Finding the Fourth Proportional to 250,423.64, 375,649.14 and 63,436.76

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Solution

The fourth proportional to 250,423.64, 375,649.14 and 63,436.76 is: 95,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,423.64 : 375,649.14 = 63,436.76 : x
  2. Step 2: Convert to fraction form
    250,423.64/375,649.14 = 63,436.76/x
  3. Step 3: Cross multiply
    250,423.64x = 375,649.14 × 63,436.76
  4. Step 4: Simplify right side
    250,423.64x = 23,829,964,338.39
  5. Step 5: Solve for x
    x = 23,829,964,338.39/250,423.64
  6. Step 6: Final answer
    x = 95,158.61

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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.