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Finding the Fourth Proportional to 84,894.78, 127,346.40 and 32,308.34

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Solution

The fourth proportional to 84,894.78, 127,346.40 and 32,308.34 is: 48,464.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,894.78 : 127,346.40 = 32,308.34 : x
  2. Step 2: Convert to fraction form
    84,894.78/127,346.40 = 32,308.34/x
  3. Step 3: Cross multiply
    84,894.78x = 127,346.40 × 32,308.34
  4. Step 4: Simplify right side
    84,894.78x = 4,114,350,788.98
  5. Step 5: Solve for x
    x = 4,114,350,788.98/84,894.78
  6. Step 6: Final answer
    x = 48,464.12

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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.