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Finding the Fourth Proportional to 121,193.46, 167,237.84 and 67,468.10

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Solution

The fourth proportional to 121,193.46, 167,237.84 and 67,468.10 is: 93,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,193.46 : 167,237.84 = 67,468.10 : x
  2. Step 2: Convert to fraction form
    121,193.46/167,237.84 = 67,468.10/x
  3. Step 3: Cross multiply
    121,193.46x = 167,237.84 × 67,468.10
  4. Step 4: Simplify right side
    121,193.46x = 11,283,218,573.22
  5. Step 5: Solve for x
    x = 11,283,218,573.22/121,193.46
  6. Step 6: Final answer
    x = 93,100.89

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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.