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Finding the Fourth Proportional to 62,161.63, 93,243.10 and 49,760.49

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Solution

The fourth proportional to 62,161.63, 93,243.10 and 49,760.49 is: 74,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,161.63 : 93,243.10 = 49,760.49 : x
  2. Step 2: Convert to fraction form
    62,161.63/93,243.10 = 49,760.49/x
  3. Step 3: Cross multiply
    62,161.63x = 93,243.10 × 49,760.49
  4. Step 4: Simplify right side
    62,161.63x = 4,639,822,410.26
  5. Step 5: Solve for x
    x = 4,639,822,410.26/62,161.63
  6. Step 6: Final answer
    x = 74,641.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.