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Finding the Fourth Proportional to 77,601.54, 107,092.95 and 43,610.70

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Solution

The fourth proportional to 77,601.54, 107,092.95 and 43,610.70 is: 60,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,601.54 : 107,092.95 = 43,610.70 : x
  2. Step 2: Convert to fraction form
    77,601.54/107,092.95 = 43,610.70/x
  3. Step 3: Cross multiply
    77,601.54x = 107,092.95 × 43,610.70
  4. Step 4: Simplify right side
    77,601.54x = 4,670,398,296.51
  5. Step 5: Solve for x
    x = 4,670,398,296.51/77,601.54
  6. Step 6: Final answer
    x = 60,184.35

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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.