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Finding the Fourth Proportional to 247,572, 341,649.96 and 134,394.72

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Solution

The fourth proportional to 247,572, 341,649.96 and 134,394.72 is: 185,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,572 : 341,649.96 = 134,394.72 : x
  2. Step 2: Convert to fraction form
    247,572/341,649.96 = 134,394.72/x
  3. Step 3: Cross multiply
    247,572x = 341,649.96 × 134,394.72
  4. Step 4: Simplify right side
    247,572x = 45,915,950,712.21
  5. Step 5: Solve for x
    x = 45,915,950,712.21/247,572
  6. Step 6: Final answer
    x = 185,465.04

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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.