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Finding the Fourth Proportional to 103,699.26, 155,541.60 and 59,186.52

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Solution

The fourth proportional to 103,699.26, 155,541.60 and 59,186.52 is: 88,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,699.26 : 155,541.60 = 59,186.52 : x
  2. Step 2: Convert to fraction form
    103,699.26/155,541.60 = 59,186.52/x
  3. Step 3: Cross multiply
    103,699.26x = 155,541.60 × 59,186.52
  4. Step 4: Simplify right side
    103,699.26x = 9,205,966,019.23
  5. Step 5: Solve for x
    x = 9,205,966,019.23/103,699.26
  6. Step 6: Final answer
    x = 88,775.62

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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.