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Finding the Fourth Proportional to 110,479.06, 152,461.20 and 60,178.06

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Solution

The fourth proportional to 110,479.06, 152,461.20 and 60,178.06 is: 83,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,479.06 : 152,461.20 = 60,178.06 : x
  2. Step 2: Convert to fraction form
    110,479.06/152,461.20 = 60,178.06/x
  3. Step 3: Cross multiply
    110,479.06x = 152,461.20 × 60,178.06
  4. Step 4: Simplify right side
    110,479.06x = 9,174,819,241.27
  5. Step 5: Solve for x
    x = 9,174,819,241.27/110,479.06
  6. Step 6: Final answer
    x = 83,045.78

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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.