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Finding the Fourth Proportional to 240,912, 361,390.28 and 63,419.94

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Solution

The fourth proportional to 240,912, 361,390.28 and 63,419.94 is: 95,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,912 : 361,390.28 = 63,419.94 : x
  2. Step 2: Convert to fraction form
    240,912/361,390.28 = 63,419.94/x
  3. Step 3: Cross multiply
    240,912x = 361,390.28 × 63,419.94
  4. Step 4: Simplify right side
    240,912x = 22,919,349,557.08
  5. Step 5: Solve for x
    x = 22,919,349,557.08/240,912
  6. Step 6: Final answer
    x = 95,135.77

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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.