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Finding the Fourth Proportional to 250,425.48, 375,641.10 and 90,513.56

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Solution

The fourth proportional to 250,425.48, 375,641.10 and 90,513.56 is: 135,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,425.48 : 375,641.10 = 90,513.56 : x
  2. Step 2: Convert to fraction form
    250,425.48/375,641.10 = 90,513.56/x
  3. Step 3: Cross multiply
    250,425.48x = 375,641.10 × 90,513.56
  4. Step 4: Simplify right side
    250,425.48x = 34,000,613,243.32
  5. Step 5: Solve for x
    x = 34,000,613,243.32/250,425.48
  6. Step 6: Final answer
    x = 135,771.38

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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.