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Finding the Fourth Proportional to 114,002.60, 171,053.08 and 61,401.56

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Solution

The fourth proportional to 114,002.60, 171,053.08 and 61,401.56 is: 92,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,002.60 : 171,053.08 = 61,401.56 : x
  2. Step 2: Convert to fraction form
    114,002.60/171,053.08 = 61,401.56/x
  3. Step 3: Cross multiply
    114,002.60x = 171,053.08 × 61,401.56
  4. Step 4: Simplify right side
    114,002.60x = 10,502,925,954.80
  5. Step 5: Solve for x
    x = 10,502,925,954.80/114,002.60
  6. Step 6: Final answer
    x = 92,128.83

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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.