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Finding the Fourth Proportional to 132,860.61, 199,256.88 and 39,344.49

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Solution

The fourth proportional to 132,860.61, 199,256.88 and 39,344.49 is: 59,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860.61 : 199,256.88 = 39,344.49 : x
  2. Step 2: Convert to fraction form
    132,860.61/199,256.88 = 39,344.49/x
  3. Step 3: Cross multiply
    132,860.61x = 199,256.88 × 39,344.49
  4. Step 4: Simplify right side
    132,860.61x = 7,839,660,322.59
  5. Step 5: Solve for x
    x = 7,839,660,322.59/132,860.61
  6. Step 6: Final answer
    x = 59,006.66

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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.