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Finding the Fourth Proportional to 132,073.93, 198,132.77 and 43,303.60

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Solution

The fourth proportional to 132,073.93, 198,132.77 and 43,303.60 is: 64,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,073.93 : 198,132.77 = 43,303.60 : x
  2. Step 2: Convert to fraction form
    132,073.93/198,132.77 = 43,303.60/x
  3. Step 3: Cross multiply
    132,073.93x = 198,132.77 × 43,303.60
  4. Step 4: Simplify right side
    132,073.93x = 8,579,862,218.97
  5. Step 5: Solve for x
    x = 8,579,862,218.97/132,073.93
  6. Step 6: Final answer
    x = 64,962.57

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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.