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Finding the Fourth Proportional to 98,959.80, 148,439.70 and 24,079.35

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Solution

The fourth proportional to 98,959.80, 148,439.70 and 24,079.35 is: 36,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,959.80 : 148,439.70 = 24,079.35 : x
  2. Step 2: Convert to fraction form
    98,959.80/148,439.70 = 24,079.35/x
  3. Step 3: Cross multiply
    98,959.80x = 148,439.70 × 24,079.35
  4. Step 4: Simplify right side
    98,959.80x = 3,574,331,490.20
  5. Step 5: Solve for x
    x = 3,574,331,490.20/98,959.80
  6. Step 6: Final answer
    x = 36,119.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.