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Finding the Fourth Proportional to 123,296.52, 170,149.14 and 69,592.80

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Solution

The fourth proportional to 123,296.52, 170,149.14 and 69,592.80 is: 96,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,296.52 : 170,149.14 = 69,592.80 : x
  2. Step 2: Convert to fraction form
    123,296.52/170,149.14 = 69,592.80/x
  3. Step 3: Cross multiply
    123,296.52x = 170,149.14 × 69,592.80
  4. Step 4: Simplify right side
    123,296.52x = 11,841,155,070.19
  5. Step 5: Solve for x
    x = 11,841,155,070.19/123,296.52
  6. Step 6: Final answer
    x = 96,038.03

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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.