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Finding the Fourth Proportional to 79,750.52, 110,053.12 and 45,758.47

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Solution

The fourth proportional to 79,750.52, 110,053.12 and 45,758.47 is: 63,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,750.52 : 110,053.12 = 45,758.47 : x
  2. Step 2: Convert to fraction form
    79,750.52/110,053.12 = 45,758.47/x
  3. Step 3: Cross multiply
    79,750.52x = 110,053.12 × 45,758.47
  4. Step 4: Simplify right side
    79,750.52x = 5,035,862,389.93
  5. Step 5: Solve for x
    x = 5,035,862,389.93/79,750.52
  6. Step 6: Final answer
    x = 63,145.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.