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Finding the Fourth Proportional to 106,122.59, 146,459.90 and 60,806.58

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Solution

The fourth proportional to 106,122.59, 146,459.90 and 60,806.58 is: 83,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,122.59 : 146,459.90 = 60,806.58 : x
  2. Step 2: Convert to fraction form
    106,122.59/146,459.90 = 60,806.58/x
  3. Step 3: Cross multiply
    106,122.59x = 146,459.90 × 60,806.58
  4. Step 4: Simplify right side
    106,122.59x = 8,905,725,322.11
  5. Step 5: Solve for x
    x = 8,905,725,322.11/106,122.59
  6. Step 6: Final answer
    x = 83,919.23

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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.