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Finding the Fourth Proportional to 80,307.52, 110,827.26 and 48,470.20

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Solution

The fourth proportional to 80,307.52, 110,827.26 and 48,470.20 is: 66,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,307.52 : 110,827.26 = 48,470.20 : x
  2. Step 2: Convert to fraction form
    80,307.52/110,827.26 = 48,470.20/x
  3. Step 3: Cross multiply
    80,307.52x = 110,827.26 × 48,470.20
  4. Step 4: Simplify right side
    80,307.52x = 5,371,819,457.65
  5. Step 5: Solve for x
    x = 5,371,819,457.65/80,307.52
  6. Step 6: Final answer
    x = 66,890.62

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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.