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Finding the Fourth Proportional to 361,646.48, 542,407.80 and 95,409.74

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Solution

The fourth proportional to 361,646.48, 542,407.80 and 95,409.74 is: 143,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,646.48 : 542,407.80 = 95,409.74 : x
  2. Step 2: Convert to fraction form
    361,646.48/542,407.80 = 95,409.74/x
  3. Step 3: Cross multiply
    361,646.48x = 542,407.80 × 95,409.74
  4. Step 4: Simplify right side
    361,646.48x = 51,750,987,171.97
  5. Step 5: Solve for x
    x = 51,750,987,171.97/361,646.48
  6. Step 6: Final answer
    x = 143,098.27

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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.