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Finding the Fourth Proportional to 80,300.71, 110,810.35 and 44,488.58

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Solution

The fourth proportional to 80,300.71, 110,810.35 and 44,488.58 is: 61,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,300.71 : 110,810.35 = 44,488.58 : x
  2. Step 2: Convert to fraction form
    80,300.71/110,810.35 = 44,488.58/x
  3. Step 3: Cross multiply
    80,300.71x = 110,810.35 × 44,488.58
  4. Step 4: Simplify right side
    80,300.71x = 4,929,794,898.36
  5. Step 5: Solve for x
    x = 4,929,794,898.36/80,300.71
  6. Step 6: Final answer
    x = 61,391.68

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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.