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Finding the Fourth Proportional to 110,886.39, 153,023.26 and 59,899.12

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Solution

The fourth proportional to 110,886.39, 153,023.26 and 59,899.12 is: 82,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,886.39 : 153,023.26 = 59,899.12 : x
  2. Step 2: Convert to fraction form
    110,886.39/153,023.26 = 59,899.12/x
  3. Step 3: Cross multiply
    110,886.39x = 153,023.26 × 59,899.12
  4. Step 4: Simplify right side
    110,886.39x = 9,165,957,848.41
  5. Step 5: Solve for x
    x = 9,165,957,848.41/110,886.39
  6. Step 6: Final answer
    x = 82,660.80

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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.