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Finding the Fourth Proportional to 109,859.61, 151,610.35 and 62,110.11

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Solution

The fourth proportional to 109,859.61, 151,610.35 and 62,110.11 is: 85,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,859.61 : 151,610.35 = 62,110.11 : x
  2. Step 2: Convert to fraction form
    109,859.61/151,610.35 = 62,110.11/x
  3. Step 3: Cross multiply
    109,859.61x = 151,610.35 × 62,110.11
  4. Step 4: Simplify right side
    109,859.61x = 9,416,536,045.36
  5. Step 5: Solve for x
    x = 9,416,536,045.36/109,859.61
  6. Step 6: Final answer
    x = 85,714.26

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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.