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Finding the Fourth Proportional to 106,466.07, 146,886.07 and 68,246.69

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Solution

The fourth proportional to 106,466.07, 146,886.07 and 68,246.69 is: 94,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,466.07 : 146,886.07 = 68,246.69 : x
  2. Step 2: Convert to fraction form
    106,466.07/146,886.07 = 68,246.69/x
  3. Step 3: Cross multiply
    106,466.07x = 146,886.07 × 68,246.69
  4. Step 4: Simplify right side
    106,466.07x = 10,024,488,084.61
  5. Step 5: Solve for x
    x = 10,024,488,084.61/106,466.07
  6. Step 6: Final answer
    x = 94,156.65

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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.