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Finding the Fourth Proportional to 77,552.65, 107,020.31 and 43,097.26

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Solution

The fourth proportional to 77,552.65, 107,020.31 and 43,097.26 is: 59,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,552.65 : 107,020.31 = 43,097.26 : x
  2. Step 2: Convert to fraction form
    77,552.65/107,020.31 = 43,097.26/x
  3. Step 3: Cross multiply
    77,552.65x = 107,020.31 × 43,097.26
  4. Step 4: Simplify right side
    77,552.65x = 4,612,282,125.35
  5. Step 5: Solve for x
    x = 4,612,282,125.35/77,552.65
  6. Step 6: Final answer
    x = 59,472.91

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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.