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Finding the Fourth Proportional to 168,292.50, 232,248.04 and 91,812.84

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Solution

The fourth proportional to 168,292.50, 232,248.04 and 91,812.84 is: 126,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,292.50 : 232,248.04 = 91,812.84 : x
  2. Step 2: Convert to fraction form
    168,292.50/232,248.04 = 91,812.84/x
  3. Step 3: Cross multiply
    168,292.50x = 232,248.04 × 91,812.84
  4. Step 4: Simplify right side
    168,292.50x = 21,323,352,136.83
  5. Step 5: Solve for x
    x = 21,323,352,136.83/168,292.50
  6. Step 6: Final answer
    x = 126,704.11

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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.