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Finding the Fourth Proportional to 238,573.62, 357,903.90 and 98,255.70

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Solution

The fourth proportional to 238,573.62, 357,903.90 and 98,255.70 is: 147,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,573.62 : 357,903.90 = 98,255.70 : x
  2. Step 2: Convert to fraction form
    238,573.62/357,903.90 = 98,255.70/x
  3. Step 3: Cross multiply
    238,573.62x = 357,903.90 × 98,255.70
  4. Step 4: Simplify right side
    238,573.62x = 35,166,098,227.23
  5. Step 5: Solve for x
    x = 35,166,098,227.23/238,573.62
  6. Step 6: Final answer
    x = 147,401.45

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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.