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Finding the Fourth Proportional to 260,637.68, 359,713.92 and 145,960.04

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Solution

The fourth proportional to 260,637.68, 359,713.92 and 145,960.04 is: 201,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,637.68 : 359,713.92 = 145,960.04 : x
  2. Step 2: Convert to fraction form
    260,637.68/359,713.92 = 145,960.04/x
  3. Step 3: Cross multiply
    260,637.68x = 359,713.92 × 145,960.04
  4. Step 4: Simplify right side
    260,637.68x = 52,503,858,151.76
  5. Step 5: Solve for x
    x = 52,503,858,151.76/260,637.68
  6. Step 6: Final answer
    x = 201,443.85

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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.