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Finding the Fourth Proportional to 111,001.59, 153,179.91 and 60,700.59

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Solution

The fourth proportional to 111,001.59, 153,179.91 and 60,700.59 is: 83,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,001.59 : 153,179.91 = 60,700.59 : x
  2. Step 2: Convert to fraction form
    111,001.59/153,179.91 = 60,700.59/x
  3. Step 3: Cross multiply
    111,001.59x = 153,179.91 × 60,700.59
  4. Step 4: Simplify right side
    111,001.59x = 9,298,110,913.15
  5. Step 5: Solve for x
    x = 9,298,110,913.15/111,001.59
  6. Step 6: Final answer
    x = 83,765.57

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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.