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Finding the Fourth Proportional to 208,749.87, 313,124.00 and 75,598.97

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Solution

The fourth proportional to 208,749.87, 313,124.00 and 75,598.97 is: 113,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,749.87 : 313,124.00 = 75,598.97 : x
  2. Step 2: Convert to fraction form
    208,749.87/313,124.00 = 75,598.97/x
  3. Step 3: Cross multiply
    208,749.87x = 313,124.00 × 75,598.97
  4. Step 4: Simplify right side
    208,749.87x = 23,671,849,938.67
  5. Step 5: Solve for x
    x = 23,671,849,938.67/208,749.87
  6. Step 6: Final answer
    x = 113,398.15

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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.