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Finding the Fourth Proportional to 80,306.64, 110,815.29 and 46,318.23

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Solution

The fourth proportional to 80,306.64, 110,815.29 and 46,318.23 is: 63,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,306.64 : 110,815.29 = 46,318.23 : x
  2. Step 2: Convert to fraction form
    80,306.64/110,815.29 = 46,318.23/x
  3. Step 3: Cross multiply
    80,306.64x = 110,815.29 × 46,318.23
  4. Step 4: Simplify right side
    80,306.64x = 5,132,768,089.74
  5. Step 5: Solve for x
    x = 5,132,768,089.74/80,306.64
  6. Step 6: Final answer
    x = 63,914.62

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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.