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Finding the Fourth Proportional to 247,824.78, 341,993.98 and 134,646.72

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Solution

The fourth proportional to 247,824.78, 341,993.98 and 134,646.72 is: 185,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,824.78 : 341,993.98 = 134,646.72 : x
  2. Step 2: Convert to fraction form
    247,824.78/341,993.98 = 134,646.72/x
  3. Step 3: Cross multiply
    247,824.78x = 341,993.98 × 134,646.72
  4. Step 4: Simplify right side
    247,824.78x = 46,048,367,666.75
  5. Step 5: Solve for x
    x = 46,048,367,666.75/247,824.78
  6. Step 6: Final answer
    x = 185,810.18

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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.