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Finding the Fourth Proportional to 83,236.39, 114,866.61 and 45,510.64

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Solution

The fourth proportional to 83,236.39, 114,866.61 and 45,510.64 is: 62,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,236.39 : 114,866.61 = 45,510.64 : x
  2. Step 2: Convert to fraction form
    83,236.39/114,866.61 = 45,510.64/x
  3. Step 3: Cross multiply
    83,236.39x = 114,866.61 × 45,510.64
  4. Step 4: Simplify right side
    83,236.39x = 5,227,652,935.73
  5. Step 5: Solve for x
    x = 5,227,652,935.73/83,236.39
  6. Step 6: Final answer
    x = 62,804.90

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1.5x scale

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.