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Finding the Fourth Proportional to 146,637.56, 202,359.12 and 79,569.56

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Solution

The fourth proportional to 146,637.56, 202,359.12 and 79,569.56 is: 109,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,637.56 : 202,359.12 = 79,569.56 : x
  2. Step 2: Convert to fraction form
    146,637.56/202,359.12 = 79,569.56/x
  3. Step 3: Cross multiply
    146,637.56x = 202,359.12 × 79,569.56
  4. Step 4: Simplify right side
    146,637.56x = 16,101,626,140.39
  5. Step 5: Solve for x
    x = 16,101,626,140.39/146,637.56
  6. Step 6: Final answer
    x = 109,805.61

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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.