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Finding the Fourth Proportional to 149,167.80, 223,751.70 and 115,342.20

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Solution

The fourth proportional to 149,167.80, 223,751.70 and 115,342.20 is: 173,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,167.80 : 223,751.70 = 115,342.20 : x
  2. Step 2: Convert to fraction form
    149,167.80/223,751.70 = 115,342.20/x
  3. Step 3: Cross multiply
    149,167.80x = 223,751.70 × 115,342.20
  4. Step 4: Simplify right side
    149,167.80x = 25,808,013,331.74
  5. Step 5: Solve for x
    x = 25,808,013,331.74/149,167.80
  6. Step 6: Final answer
    x = 173,013.30

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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.