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Finding the Fourth Proportional to 172,681.44, 259,022.82 and 88,395.60

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Solution

The fourth proportional to 172,681.44, 259,022.82 and 88,395.60 is: 132,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,681.44 : 259,022.82 = 88,395.60 : x
  2. Step 2: Convert to fraction form
    172,681.44/259,022.82 = 88,395.60/x
  3. Step 3: Cross multiply
    172,681.44x = 259,022.82 × 88,395.60
  4. Step 4: Simplify right side
    172,681.44x = 22,896,477,587.59
  5. Step 5: Solve for x
    x = 22,896,477,587.59/172,681.44
  6. Step 6: Final answer
    x = 132,593.74

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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.