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Finding the Fourth Proportional to 77,950.54, 116,938.02 and 25,347.70

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Solution

The fourth proportional to 77,950.54, 116,938.02 and 25,347.70 is: 38,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,950.54 : 116,938.02 = 25,347.70 : x
  2. Step 2: Convert to fraction form
    77,950.54/116,938.02 = 25,347.70/x
  3. Step 3: Cross multiply
    77,950.54x = 116,938.02 × 25,347.70
  4. Step 4: Simplify right side
    77,950.54x = 2,964,109,264.86
  5. Step 5: Solve for x
    x = 2,964,109,264.86/77,950.54
  6. Step 6: Final answer
    x = 38,025.52

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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.