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Finding the Fourth Proportional to 270,213.75, 372,888.45 and 147,700.62

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Solution

The fourth proportional to 270,213.75, 372,888.45 and 147,700.62 is: 203,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,213.75 : 372,888.45 = 147,700.62 : x
  2. Step 2: Convert to fraction form
    270,213.75/372,888.45 = 147,700.62/x
  3. Step 3: Cross multiply
    270,213.75x = 372,888.45 × 147,700.62
  4. Step 4: Simplify right side
    270,213.75x = 55,075,855,255.84
  5. Step 5: Solve for x
    x = 55,075,855,255.84/270,213.75
  6. Step 6: Final answer
    x = 203,823.29

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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.