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Finding the Fourth Proportional to 111,098.12, 153,319.22 and 60,797

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Solution

The fourth proportional to 111,098.12, 153,319.22 and 60,797 is: 83,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,098.12 : 153,319.22 = 60,797 : x
  2. Step 2: Convert to fraction form
    111,098.12/153,319.22 = 60,797/x
  3. Step 3: Cross multiply
    111,098.12x = 153,319.22 × 60,797
  4. Step 4: Simplify right side
    111,098.12x = 9,321,348,618.34
  5. Step 5: Solve for x
    x = 9,321,348,618.34/111,098.12
  6. Step 6: Final answer
    x = 83,901.95

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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.