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Finding the Fourth Proportional to 115,482.16, 173,221.42 and 95,718.97

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Solution

The fourth proportional to 115,482.16, 173,221.42 and 95,718.97 is: 143,576.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,482.16 : 173,221.42 = 95,718.97 : x
  2. Step 2: Convert to fraction form
    115,482.16/173,221.42 = 95,718.97/x
  3. Step 3: Cross multiply
    115,482.16x = 173,221.42 × 95,718.97
  4. Step 4: Simplify right side
    115,482.16x = 16,580,575,904.34
  5. Step 5: Solve for x
    x = 16,580,575,904.34/115,482.16
  6. Step 6: Final answer
    x = 143,576.95

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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.