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Finding the Fourth Proportional to 80,040.16, 110,455.12 and 44,712.16

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Solution

The fourth proportional to 80,040.16, 110,455.12 and 44,712.16 is: 61,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,040.16 : 110,455.12 = 44,712.16 : x
  2. Step 2: Convert to fraction form
    80,040.16/110,455.12 = 44,712.16/x
  3. Step 3: Cross multiply
    80,040.16x = 110,455.12 × 44,712.16
  4. Step 4: Simplify right side
    80,040.16x = 4,938,686,998.26
  5. Step 5: Solve for x
    x = 4,938,686,998.26/80,040.16
  6. Step 6: Final answer
    x = 61,702.61

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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.