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Finding the Fourth Proportional to 114,372.80, 171,582.13 and 39,495.69

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Solution

The fourth proportional to 114,372.80, 171,582.13 and 39,495.69 is: 59,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,372.80 : 171,582.13 = 39,495.69 : x
  2. Step 2: Convert to fraction form
    114,372.80/171,582.13 = 39,495.69/x
  3. Step 3: Cross multiply
    114,372.80x = 171,582.13 × 39,495.69
  4. Step 4: Simplify right side
    114,372.80x = 6,776,754,616.02
  5. Step 5: Solve for x
    x = 6,776,754,616.02/114,372.80
  6. Step 6: Final answer
    x = 59,251.45

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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.