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Finding the Fourth Proportional to 115,180.58, 158,962.13 and 64,197.97

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Solution

The fourth proportional to 115,180.58, 158,962.13 and 64,197.97 is: 88,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,180.58 : 158,962.13 = 64,197.97 : x
  2. Step 2: Convert to fraction form
    115,180.58/158,962.13 = 64,197.97/x
  3. Step 3: Cross multiply
    115,180.58x = 158,962.13 × 64,197.97
  4. Step 4: Simplify right side
    115,180.58x = 10,205,045,575.22
  5. Step 5: Solve for x
    x = 10,205,045,575.22/115,180.58
  6. Step 6: Final answer
    x = 88,600.40

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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.