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Finding the Fourth Proportional to 250,158.42, 375,307.77 and 100,503.79

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Solution

The fourth proportional to 250,158.42, 375,307.77 and 100,503.79 is: 150,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,158.42 : 375,307.77 = 100,503.79 : x
  2. Step 2: Convert to fraction form
    250,158.42/375,307.77 = 100,503.79/x
  3. Step 3: Cross multiply
    250,158.42x = 375,307.77 × 100,503.79
  4. Step 4: Simplify right side
    250,158.42x = 37,719,853,301.45
  5. Step 5: Solve for x
    x = 37,719,853,301.45/250,158.42
  6. Step 6: Final answer
    x = 150,783.86

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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.