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Finding the Fourth Proportional to 361,551.34, 542,152.05 and 124,811.02

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Solution

The fourth proportional to 361,551.34, 542,152.05 and 124,811.02 is: 187,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,551.34 : 542,152.05 = 124,811.02 : x
  2. Step 2: Convert to fraction form
    361,551.34/542,152.05 = 124,811.02/x
  3. Step 3: Cross multiply
    361,551.34x = 542,152.05 × 124,811.02
  4. Step 4: Simplify right side
    361,551.34x = 67,666,550,355.59
  5. Step 5: Solve for x
    x = 67,666,550,355.59/361,551.34
  6. Step 6: Final answer
    x = 187,156.13

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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.