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Finding the Fourth Proportional to 192,017.86, 288,026.92 and 65,659.04

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Solution

The fourth proportional to 192,017.86, 288,026.92 and 65,659.04 is: 98,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,017.86 : 288,026.92 = 65,659.04 : x
  2. Step 2: Convert to fraction form
    192,017.86/288,026.92 = 65,659.04/x
  3. Step 3: Cross multiply
    192,017.86x = 288,026.92 × 65,659.04
  4. Step 4: Simplify right side
    192,017.86x = 18,911,571,061.36
  5. Step 5: Solve for x
    x = 18,911,571,061.36/192,017.86
  6. Step 6: Final answer
    x = 98,488.60

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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.