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Finding the Fourth Proportional to 75,601.65, 104,323.50 and 43,772.70

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Solution

The fourth proportional to 75,601.65, 104,323.50 and 43,772.70 is: 60,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,601.65 : 104,323.50 = 43,772.70 : x
  2. Step 2: Convert to fraction form
    75,601.65/104,323.50 = 43,772.70/x
  3. Step 3: Cross multiply
    75,601.65x = 104,323.50 × 43,772.70
  4. Step 4: Simplify right side
    75,601.65x = 4,566,521,268.45
  5. Step 5: Solve for x
    x = 4,566,521,268.45/75,601.65
  6. Step 6: Final answer
    x = 60,402.40

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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.