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Finding the Fourth Proportional to 84,280.55, 116,306.80 and 46,554.80

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Solution

The fourth proportional to 84,280.55, 116,306.80 and 46,554.80 is: 64,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,280.55 : 116,306.80 = 46,554.80 : x
  2. Step 2: Convert to fraction form
    84,280.55/116,306.80 = 46,554.80/x
  3. Step 3: Cross multiply
    84,280.55x = 116,306.80 × 46,554.80
  4. Step 4: Simplify right side
    84,280.55x = 5,414,639,114.72
  5. Step 5: Solve for x
    x = 5,414,639,114.72/84,280.55
  6. Step 6: Final answer
    x = 64,245.42

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1.5x scale

Why These Related Problems?

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