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Finding the Fourth Proportional to 111,370.70, 167,053.65 and 74,169.10

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Solution

The fourth proportional to 111,370.70, 167,053.65 and 74,169.10 is: 111,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,370.70 : 167,053.65 = 74,169.10 : x
  2. Step 2: Convert to fraction form
    111,370.70/167,053.65 = 74,169.10/x
  3. Step 3: Cross multiply
    111,370.70x = 167,053.65 × 74,169.10
  4. Step 4: Simplify right side
    111,370.70x = 12,390,218,872.22
  5. Step 5: Solve for x
    x = 12,390,218,872.22/111,370.70
  6. Step 6: Final answer
    x = 111,252.05

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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.