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Finding the Fourth Proportional to 111,445.34, 167,167.42 and 27,205.95

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Solution

The fourth proportional to 111,445.34, 167,167.42 and 27,205.95 is: 40,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,445.34 : 167,167.42 = 27,205.95 : x
  2. Step 2: Convert to fraction form
    111,445.34/167,167.42 = 27,205.95/x
  3. Step 3: Cross multiply
    111,445.34x = 167,167.42 × 27,205.95
  4. Step 4: Simplify right side
    111,445.34x = 4,547,947,877.28
  5. Step 5: Solve for x
    x = 4,547,947,877.28/111,445.34
  6. Step 6: Final answer
    x = 40,808.78

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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.