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Finding the Fourth Proportional to 132,058.66, 198,117.15 and 48,952.66

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Solution

The fourth proportional to 132,058.66, 198,117.15 and 48,952.66 is: 73,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,058.66 : 198,117.15 = 48,952.66 : x
  2. Step 2: Convert to fraction form
    132,058.66/198,117.15 = 48,952.66/x
  3. Step 3: Cross multiply
    132,058.66x = 198,117.15 × 48,952.66
  4. Step 4: Simplify right side
    132,058.66x = 9,698,360,744.06
  5. Step 5: Solve for x
    x = 9,698,360,744.06/132,058.66
  6. Step 6: Final answer
    x = 73,439.80

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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.