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Finding the Fourth Proportional to 121,152.58, 167,162.00 and 101,844.91

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Solution

The fourth proportional to 121,152.58, 167,162.00 and 101,844.91 is: 140,521.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,152.58 : 167,162.00 = 101,844.91 : x
  2. Step 2: Convert to fraction form
    121,152.58/167,162.00 = 101,844.91/x
  3. Step 3: Cross multiply
    121,152.58x = 167,162.00 × 101,844.91
  4. Step 4: Simplify right side
    121,152.58x = 17,024,598,545.15
  5. Step 5: Solve for x
    x = 17,024,598,545.15/121,152.58
  6. Step 6: Final answer
    x = 140,521.97

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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.