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Finding the Fourth Proportional to 247,492.50, 341,544.76 and 140,062.52

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Solution

The fourth proportional to 247,492.50, 341,544.76 and 140,062.52 is: 193,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,492.50 : 341,544.76 = 140,062.52 : x
  2. Step 2: Convert to fraction form
    247,492.50/341,544.76 = 140,062.52/x
  3. Step 3: Cross multiply
    247,492.50x = 341,544.76 × 140,062.52
  4. Step 4: Simplify right side
    247,492.50x = 47,837,619,778.40
  5. Step 5: Solve for x
    x = 47,837,619,778.40/247,492.50
  6. Step 6: Final answer
    x = 193,289.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.