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Finding the Fourth Proportional to 132,637.41, 198,888.51 and 65,173.92

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Solution

The fourth proportional to 132,637.41, 198,888.51 and 65,173.92 is: 97,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,637.41 : 198,888.51 = 65,173.92 : x
  2. Step 2: Convert to fraction form
    132,637.41/198,888.51 = 65,173.92/x
  3. Step 3: Cross multiply
    132,637.41x = 198,888.51 × 65,173.92
  4. Step 4: Simplify right side
    132,637.41x = 12,962,343,839.66
  5. Step 5: Solve for x
    x = 12,962,343,839.66/132,637.41
  6. Step 6: Final answer
    x = 97,727.66

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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.