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Finding the Fourth Proportional to 110,886.35, 153,024.64 and 63,139.89

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Solution

The fourth proportional to 110,886.35, 153,024.64 and 63,139.89 is: 87,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,886.35 : 153,024.64 = 63,139.89 : x
  2. Step 2: Convert to fraction form
    110,886.35/153,024.64 = 63,139.89/x
  3. Step 3: Cross multiply
    110,886.35x = 153,024.64 × 63,139.89
  4. Step 4: Simplify right side
    110,886.35x = 9,661,958,171.77
  5. Step 5: Solve for x
    x = 9,661,958,171.77/110,886.35
  6. Step 6: Final answer
    x = 87,133.88

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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.