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Finding the Fourth Proportional to 146,508.42, 219,799.48 and 67,678.42

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Solution

The fourth proportional to 146,508.42, 219,799.48 and 67,678.42 is: 101,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,508.42 : 219,799.48 = 67,678.42 : x
  2. Step 2: Convert to fraction form
    146,508.42/219,799.48 = 67,678.42/x
  3. Step 3: Cross multiply
    146,508.42x = 219,799.48 × 67,678.42
  4. Step 4: Simplify right side
    146,508.42x = 14,875,681,523.22
  5. Step 5: Solve for x
    x = 14,875,681,523.22/146,508.42
  6. Step 6: Final answer
    x = 101,534.65

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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.