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Finding the Fourth Proportional to 114,026.46, 170,981.10 and 39,126.46

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Solution

The fourth proportional to 114,026.46, 170,981.10 and 39,126.46 is: 58,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,026.46 : 170,981.10 = 39,126.46 : x
  2. Step 2: Convert to fraction form
    114,026.46/170,981.10 = 39,126.46/x
  3. Step 3: Cross multiply
    114,026.46x = 170,981.10 × 39,126.46
  4. Step 4: Simplify right side
    114,026.46x = 6,689,885,169.91
  5. Step 5: Solve for x
    x = 6,689,885,169.91/114,026.46
  6. Step 6: Final answer
    x = 58,669.59

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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.