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Finding the Fourth Proportional to 115,483.16, 173,222.92 and 95,719.97

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Solution

The fourth proportional to 115,483.16, 173,222.92 and 95,719.97 is: 143,578.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,483.16 : 173,222.92 = 95,719.97 : x
  2. Step 2: Convert to fraction form
    115,483.16/173,222.92 = 95,719.97/x
  3. Step 3: Cross multiply
    115,483.16x = 173,222.92 × 95,719.97
  4. Step 4: Simplify right side
    115,483.16x = 16,580,892,705.71
  5. Step 5: Solve for x
    x = 16,580,892,705.71/115,483.16
  6. Step 6: Final answer
    x = 143,578.45

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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.