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Finding the Fourth Proportional to 149,073.30, 223,869.15 and 79,089.30

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Solution

The fourth proportional to 149,073.30, 223,869.15 and 79,089.30 is: 118,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,073.30 : 223,869.15 = 79,089.30 : x
  2. Step 2: Convert to fraction form
    149,073.30/223,869.15 = 79,089.30/x
  3. Step 3: Cross multiply
    149,073.30x = 223,869.15 × 79,089.30
  4. Step 4: Simplify right side
    149,073.30x = 17,705,654,365.10
  5. Step 5: Solve for x
    x = 17,705,654,365.10/149,073.30
  6. Step 6: Final answer
    x = 118,771.47

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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.