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Finding the Fourth Proportional to 111,335.52, 153,644.04 and 61,034.52

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Solution

The fourth proportional to 111,335.52, 153,644.04 and 61,034.52 is: 84,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,335.52 : 153,644.04 = 61,034.52 : x
  2. Step 2: Convert to fraction form
    111,335.52/153,644.04 = 61,034.52/x
  3. Step 3: Cross multiply
    111,335.52x = 153,644.04 × 61,034.52
  4. Step 4: Simplify right side
    111,335.52x = 9,377,590,232.26
  5. Step 5: Solve for x
    x = 9,377,590,232.26/111,335.52
  6. Step 6: Final answer
    x = 84,228.20

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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.