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Finding the Fourth Proportional to 174,689.20, 241,069.90 and 99,237.68

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Solution

The fourth proportional to 174,689.20, 241,069.90 and 99,237.68 is: 136,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,689.20 : 241,069.90 = 99,237.68 : x
  2. Step 2: Convert to fraction form
    174,689.20/241,069.90 = 99,237.68/x
  3. Step 3: Cross multiply
    174,689.20x = 241,069.90 × 99,237.68
  4. Step 4: Simplify right side
    174,689.20x = 23,923,217,593.83
  5. Step 5: Solve for x
    x = 23,923,217,593.83/174,689.20
  6. Step 6: Final answer
    x = 136,947.32

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1.5x scale

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.