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Finding the Fourth Proportional to 80,510.74, 111,100.48 and 44,698.44

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Solution

The fourth proportional to 80,510.74, 111,100.48 and 44,698.44 is: 61,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,510.74 : 111,100.48 = 44,698.44 : x
  2. Step 2: Convert to fraction form
    80,510.74/111,100.48 = 44,698.44/x
  3. Step 3: Cross multiply
    80,510.74x = 111,100.48 × 44,698.44
  4. Step 4: Simplify right side
    80,510.74x = 4,966,018,139.25
  5. Step 5: Solve for x
    x = 4,966,018,139.25/80,510.74
  6. Step 6: Final answer
    x = 61,681.44

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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.