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Finding the Fourth Proportional to 112,491, 155,240.82 and 62,193.24

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Solution

The fourth proportional to 112,491, 155,240.82 and 62,193.24 is: 85,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,491 : 155,240.82 = 62,193.24 : x
  2. Step 2: Convert to fraction form
    112,491/155,240.82 = 62,193.24/x
  3. Step 3: Cross multiply
    112,491x = 155,240.82 × 62,193.24
  4. Step 4: Simplify right side
    112,491x = 9,654,929,576.06
  5. Step 5: Solve for x
    x = 9,654,929,576.06/112,491
  6. Step 6: Final answer
    x = 85,828.46

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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.