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Finding the Fourth Proportional to 98,763.50, 148,145.26 and 24,891.50

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Solution

The fourth proportional to 98,763.50, 148,145.26 and 24,891.50 is: 37,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,763.50 : 148,145.26 = 24,891.50 : x
  2. Step 2: Convert to fraction form
    98,763.50/148,145.26 = 24,891.50/x
  3. Step 3: Cross multiply
    98,763.50x = 148,145.26 × 24,891.50
  4. Step 4: Simplify right side
    98,763.50x = 3,687,557,739.29
  5. Step 5: Solve for x
    x = 3,687,557,739.29/98,763.50
  6. Step 6: Final answer
    x = 37,337.25

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1.5x scale

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.