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Finding the Fourth Proportional to 111,097.48, 153,308.64 and 60,786.76

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Solution

The fourth proportional to 111,097.48, 153,308.64 and 60,786.76 is: 83,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,097.48 : 153,308.64 = 60,786.76 : x
  2. Step 2: Convert to fraction form
    111,097.48/153,308.64 = 60,786.76/x
  3. Step 3: Cross multiply
    111,097.48x = 153,308.64 × 60,786.76
  4. Step 4: Simplify right side
    111,097.48x = 9,319,135,505.61
  5. Step 5: Solve for x
    x = 9,319,135,505.61/111,097.48
  6. Step 6: Final answer
    x = 83,882.51

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