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Finding the Fourth Proportional to 106,258.65, 146,632.20 and 60,904.11

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Solution

The fourth proportional to 106,258.65, 146,632.20 and 60,904.11 is: 84,044.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,258.65 : 146,632.20 = 60,904.11 : x
  2. Step 2: Convert to fraction form
    106,258.65/146,632.20 = 60,904.11/x
  3. Step 3: Cross multiply
    106,258.65x = 146,632.20 × 60,904.11
  4. Step 4: Simplify right side
    106,258.65x = 8,930,503,638.34
  5. Step 5: Solve for x
    x = 8,930,503,638.34/106,258.65
  6. Step 6: Final answer
    x = 84,044.96

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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.