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Finding the Fourth Proportional to 117,562.80, 176,356.48 and 38,683.24

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Solution

The fourth proportional to 117,562.80, 176,356.48 and 38,683.24 is: 58,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,562.80 : 176,356.48 = 38,683.24 : x
  2. Step 2: Convert to fraction form
    117,562.80/176,356.48 = 38,683.24/x
  3. Step 3: Cross multiply
    117,562.80x = 176,356.48 × 38,683.24
  4. Step 4: Simplify right side
    117,562.80x = 6,822,040,041.40
  5. Step 5: Solve for x
    x = 6,822,040,041.40/117,562.80
  6. Step 6: Final answer
    x = 58,028.90

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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.