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Finding the Fourth Proportional to 113,248.10, 156,291.04 and 67,927.80

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Solution

The fourth proportional to 113,248.10, 156,291.04 and 67,927.80 is: 93,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,248.10 : 156,291.04 = 67,927.80 : x
  2. Step 2: Convert to fraction form
    113,248.10/156,291.04 = 67,927.80/x
  3. Step 3: Cross multiply
    113,248.10x = 156,291.04 × 67,927.80
  4. Step 4: Simplify right side
    113,248.10x = 10,616,506,506.91
  5. Step 5: Solve for x
    x = 10,616,506,506.91/113,248.10
  6. Step 6: Final answer
    x = 93,745.56

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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.