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Finding the Fourth Proportional to 80,072.48, 110,510.16 and 46,532

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Solution

The fourth proportional to 80,072.48, 110,510.16 and 46,532 is: 64,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,072.48 : 110,510.16 = 46,532 : x
  2. Step 2: Convert to fraction form
    80,072.48/110,510.16 = 46,532/x
  3. Step 3: Cross multiply
    80,072.48x = 110,510.16 × 46,532
  4. Step 4: Simplify right side
    80,072.48x = 5,142,258,765.12
  5. Step 5: Solve for x
    x = 5,142,258,765.12/80,072.48
  6. Step 6: Final answer
    x = 64,220.05

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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.