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Finding the Fourth Proportional to 121,294.53, 167,385.83 and 67,576.23

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Solution

The fourth proportional to 121,294.53, 167,385.83 and 67,576.23 is: 93,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,294.53 : 167,385.83 = 67,576.23 : x
  2. Step 2: Convert to fraction form
    121,294.53/167,385.83 = 67,576.23/x
  3. Step 3: Cross multiply
    121,294.53x = 167,385.83 × 67,576.23
  4. Step 4: Simplify right side
    121,294.53x = 11,311,303,008.94
  5. Step 5: Solve for x
    x = 11,311,303,008.94/121,294.53
  6. Step 6: Final answer
    x = 93,254.85

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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.