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Finding the Fourth Proportional to 192,411.68, 288,646.20 and 59,280.80

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Solution

The fourth proportional to 192,411.68, 288,646.20 and 59,280.80 is: 88,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,411.68 : 288,646.20 = 59,280.80 : x
  2. Step 2: Convert to fraction form
    192,411.68/288,646.20 = 59,280.80/x
  3. Step 3: Cross multiply
    192,411.68x = 288,646.20 × 59,280.80
  4. Step 4: Simplify right side
    192,411.68x = 17,111,177,652.96
  5. Step 5: Solve for x
    x = 17,111,177,652.96/192,411.68
  6. Step 6: Final answer
    x = 88,930.04

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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.