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Finding the Fourth Proportional to 110,047.80, 151,866.42 and 62,310.36

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Solution

The fourth proportional to 110,047.80, 151,866.42 and 62,310.36 is: 85,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,047.80 : 151,866.42 = 62,310.36 : x
  2. Step 2: Convert to fraction form
    110,047.80/151,866.42 = 62,310.36/x
  3. Step 3: Cross multiply
    110,047.80x = 151,866.42 × 62,310.36
  4. Step 4: Simplify right side
    110,047.80x = 9,462,851,302.11
  5. Step 5: Solve for x
    x = 9,462,851,302.11/110,047.80
  6. Step 6: Final answer
    x = 85,988.55

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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.