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Finding the Fourth Proportional to 143,955.92, 216,006.78 and 97,110.38

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Solution

The fourth proportional to 143,955.92, 216,006.78 and 97,110.38 is: 145,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,955.92 : 216,006.78 = 97,110.38 : x
  2. Step 2: Convert to fraction form
    143,955.92/216,006.78 = 97,110.38/x
  3. Step 3: Cross multiply
    143,955.92x = 216,006.78 × 97,110.38
  4. Step 4: Simplify right side
    143,955.92x = 20,976,499,408.34
  5. Step 5: Solve for x
    x = 20,976,499,408.34/143,955.92
  6. Step 6: Final answer
    x = 145,714.74

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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.