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Finding the Fourth Proportional to 83,281.59, 114,931.31 and 45,555.84

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Solution

The fourth proportional to 83,281.59, 114,931.31 and 45,555.84 is: 62,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,281.59 : 114,931.31 = 45,555.84 : x
  2. Step 2: Convert to fraction form
    83,281.59/114,931.31 = 45,555.84/x
  3. Step 3: Cross multiply
    83,281.59x = 114,931.31 × 45,555.84
  4. Step 4: Simplify right side
    83,281.59x = 5,235,792,141.57
  5. Step 5: Solve for x
    x = 5,235,792,141.57/83,281.59
  6. Step 6: Final answer
    x = 62,868.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.