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Finding the Fourth Proportional to 111,046.08, 153,244.80 and 60,744

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Solution

The fourth proportional to 111,046.08, 153,244.80 and 60,744 is: 83,827.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,046.08 : 153,244.80 = 60,744 : x
  2. Step 2: Convert to fraction form
    111,046.08/153,244.80 = 60,744/x
  3. Step 3: Cross multiply
    111,046.08x = 153,244.80 × 60,744
  4. Step 4: Simplify right side
    111,046.08x = 9,308,702,131.20
  5. Step 5: Solve for x
    x = 9,308,702,131.20/111,046.08
  6. Step 6: Final answer
    x = 83,827.38

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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.