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Finding the Fourth Proportional to 174,641.80, 261,776.19 and 99,600.36

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Solution

The fourth proportional to 174,641.80, 261,776.19 and 99,600.36 is: 149,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,641.80 : 261,776.19 = 99,600.36 : x
  2. Step 2: Convert to fraction form
    174,641.80/261,776.19 = 99,600.36/x
  3. Step 3: Cross multiply
    174,641.80x = 261,776.19 × 99,600.36
  4. Step 4: Simplify right side
    174,641.80x = 26,073,003,136.93
  5. Step 5: Solve for x
    x = 26,073,003,136.93/174,641.80
  6. Step 6: Final answer
    x = 149,294.18

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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.