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Finding the Fourth Proportional to 133,028.70, 199,600.65 and 62,871.90

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Solution

The fourth proportional to 133,028.70, 199,600.65 and 62,871.90 is: 94,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028.70 : 199,600.65 = 62,871.90 : x
  2. Step 2: Convert to fraction form
    133,028.70/199,600.65 = 62,871.90/x
  3. Step 3: Cross multiply
    133,028.70x = 199,600.65 × 62,871.90
  4. Step 4: Simplify right side
    133,028.70x = 12,549,272,106.74
  5. Step 5: Solve for x
    x = 12,549,272,106.74/133,028.70
  6. Step 6: Final answer
    x = 94,335.07

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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.