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Finding the Fourth Proportional to 106,673.66, 147,204.24 and 58,917.78

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Solution

The fourth proportional to 106,673.66, 147,204.24 and 58,917.78 is: 81,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,673.66 : 147,204.24 = 58,917.78 : x
  2. Step 2: Convert to fraction form
    106,673.66/147,204.24 = 58,917.78/x
  3. Step 3: Cross multiply
    106,673.66x = 147,204.24 × 58,917.78
  4. Step 4: Simplify right side
    106,673.66x = 8,672,946,806.45
  5. Step 5: Solve for x
    x = 8,672,946,806.45/106,673.66
  6. Step 6: Final answer
    x = 81,303.55

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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.