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Finding the Fourth Proportional to 110,877.75, 153,011.30 and 60,576.75

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Solution

The fourth proportional to 110,877.75, 153,011.30 and 60,576.75 is: 83,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,877.75 : 153,011.30 = 60,576.75 : x
  2. Step 2: Convert to fraction form
    110,877.75/153,011.30 = 60,576.75/x
  3. Step 3: Cross multiply
    110,877.75x = 153,011.30 × 60,576.75
  4. Step 4: Simplify right side
    110,877.75x = 9,268,926,964.39
  5. Step 5: Solve for x
    x = 9,268,926,964.39/110,877.75
  6. Step 6: Final answer
    x = 83,595.92

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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.