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Finding the Fourth Proportional to 170,551.60, 255,681.52 and 65,446

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Solution

The fourth proportional to 170,551.60, 255,681.52 and 65,446 is: 98,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,551.60 : 255,681.52 = 65,446 : x
  2. Step 2: Convert to fraction form
    170,551.60/255,681.52 = 65,446/x
  3. Step 3: Cross multiply
    170,551.60x = 255,681.52 × 65,446
  4. Step 4: Simplify right side
    170,551.60x = 16,733,332,757.92
  5. Step 5: Solve for x
    x = 16,733,332,757.92/170,551.60
  6. Step 6: Final answer
    x = 98,113.02

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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.