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Finding the Fourth Proportional to 147,953.60, 222,062.28 and 69,112.28

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Solution

The fourth proportional to 147,953.60, 222,062.28 and 69,112.28 is: 103,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,953.60 : 222,062.28 = 69,112.28 : x
  2. Step 2: Convert to fraction form
    147,953.60/222,062.28 = 69,112.28/x
  3. Step 3: Cross multiply
    147,953.60x = 222,062.28 × 69,112.28
  4. Step 4: Simplify right side
    147,953.60x = 15,347,230,472.80
  5. Step 5: Solve for x
    x = 15,347,230,472.80/147,953.60
  6. Step 6: Final answer
    x = 103,730.02

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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.