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Finding the Fourth Proportional to 88,595.34, 122,260.68 and 48,309

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Solution

The fourth proportional to 88,595.34, 122,260.68 and 48,309 is: 66,665.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,595.34 : 122,260.68 = 48,309 : x
  2. Step 2: Convert to fraction form
    88,595.34/122,260.68 = 48,309/x
  3. Step 3: Cross multiply
    88,595.34x = 122,260.68 × 48,309
  4. Step 4: Simplify right side
    88,595.34x = 5,906,291,190.12
  5. Step 5: Solve for x
    x = 5,906,291,190.12/88,595.34
  6. Step 6: Final answer
    x = 66,665.94

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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.