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Finding the Fourth Proportional to 250,034.27, 374,984.78 and 70,109.78

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Solution

The fourth proportional to 250,034.27, 374,984.78 and 70,109.78 is: 105,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,034.27 : 374,984.78 = 70,109.78 : x
  2. Step 2: Convert to fraction form
    250,034.27/374,984.78 = 70,109.78/x
  3. Step 3: Cross multiply
    250,034.27x = 374,984.78 × 70,109.78
  4. Step 4: Simplify right side
    250,034.27x = 26,290,098,203.68
  5. Step 5: Solve for x
    x = 26,290,098,203.68/250,034.27
  6. Step 6: Final answer
    x = 105,145.98

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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.