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Finding the Fourth Proportional to 83,555.37, 115,332.23 and 53,747.37

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Solution

The fourth proportional to 83,555.37, 115,332.23 and 53,747.37 is: 74,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,555.37 : 115,332.23 = 53,747.37 : x
  2. Step 2: Convert to fraction form
    83,555.37/115,332.23 = 53,747.37/x
  3. Step 3: Cross multiply
    83,555.37x = 115,332.23 × 53,747.37
  4. Step 4: Simplify right side
    83,555.37x = 6,198,803,770.00
  5. Step 5: Solve for x
    x = 6,198,803,770.00/83,555.37
  6. Step 6: Final answer
    x = 74,187.98

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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.