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Finding the Fourth Proportional to 247,666.26, 341,783.68 and 134,489

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Solution

The fourth proportional to 247,666.26, 341,783.68 and 134,489 is: 185,597.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,666.26 : 341,783.68 = 134,489 : x
  2. Step 2: Convert to fraction form
    247,666.26/341,783.68 = 134,489/x
  3. Step 3: Cross multiply
    247,666.26x = 341,783.68 × 134,489
  4. Step 4: Simplify right side
    247,666.26x = 45,966,145,339.52
  5. Step 5: Solve for x
    x = 45,966,145,339.52/247,666.26
  6. Step 6: Final answer
    x = 185,597.12

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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.