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Finding the Fourth Proportional to 98,959.86, 148,439.90 and 24,080.00

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Solution

The fourth proportional to 98,959.86, 148,439.90 and 24,080.00 is: 36,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,959.86 : 148,439.90 = 24,080.00 : x
  2. Step 2: Convert to fraction form
    98,959.86/148,439.90 = 24,080.00/x
  3. Step 3: Cross multiply
    98,959.86x = 148,439.90 × 24,080.00
  4. Step 4: Simplify right side
    98,959.86x = 3,574,431,929.40
  5. Step 5: Solve for x
    x = 3,574,431,929.40/98,959.86
  6. Step 6: Final answer
    x = 36,120.02

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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.