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Finding the Fourth Proportional to 99,347.20, 149,020.80 and 32,797.60

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Solution

The fourth proportional to 99,347.20, 149,020.80 and 32,797.60 is: 49,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,347.20 : 149,020.80 = 32,797.60 : x
  2. Step 2: Convert to fraction form
    99,347.20/149,020.80 = 32,797.60/x
  3. Step 3: Cross multiply
    99,347.20x = 149,020.80 × 32,797.60
  4. Step 4: Simplify right side
    99,347.20x = 4,887,524,590.08
  5. Step 5: Solve for x
    x = 4,887,524,590.08/99,347.20
  6. Step 6: Final answer
    x = 49,196.40

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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.