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Finding the Fourth Proportional to 270,070.68, 372,692.34 and 149,217.24

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Solution

The fourth proportional to 270,070.68, 372,692.34 and 149,217.24 is: 205,916.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,070.68 : 372,692.34 = 149,217.24 : x
  2. Step 2: Convert to fraction form
    270,070.68/372,692.34 = 149,217.24/x
  3. Step 3: Cross multiply
    270,070.68x = 372,692.34 × 149,217.24
  4. Step 4: Simplify right side
    270,070.68x = 55,612,122,343.94
  5. Step 5: Solve for x
    x = 55,612,122,343.94/270,070.68
  6. Step 6: Final answer
    x = 205,916.92

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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.