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Finding the Fourth Proportional to 101,040.80, 151,542.66 and 37,854.72

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Solution

The fourth proportional to 101,040.80, 151,542.66 and 37,854.72 is: 56,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,040.80 : 151,542.66 = 37,854.72 : x
  2. Step 2: Convert to fraction form
    101,040.80/151,542.66 = 37,854.72/x
  3. Step 3: Cross multiply
    101,040.80x = 151,542.66 × 37,854.72
  4. Step 4: Simplify right side
    101,040.80x = 5,736,604,962.36
  5. Step 5: Solve for x
    x = 5,736,604,962.36/101,040.80
  6. Step 6: Final answer
    x = 56,775.13

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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.