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Finding the Fourth Proportional to 295,713.76, 443,746.32 and 108,856.48

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Solution

The fourth proportional to 295,713.76, 443,746.32 and 108,856.48 is: 163,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,713.76 : 443,746.32 = 108,856.48 : x
  2. Step 2: Convert to fraction form
    295,713.76/443,746.32 = 108,856.48/x
  3. Step 3: Cross multiply
    295,713.76x = 443,746.32 × 108,856.48
  4. Step 4: Simplify right side
    295,713.76x = 48,304,662,408.15
  5. Step 5: Solve for x
    x = 48,304,662,408.15/295,713.76
  6. Step 6: Final answer
    x = 163,349.39

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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.