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Finding the Fourth Proportional to 259,356.56, 388,924.68 and 101,559.92

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Solution

The fourth proportional to 259,356.56, 388,924.68 and 101,559.92 is: 152,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,356.56 : 388,924.68 = 101,559.92 : x
  2. Step 2: Convert to fraction form
    259,356.56/388,924.68 = 101,559.92/x
  3. Step 3: Cross multiply
    259,356.56x = 388,924.68 × 101,559.92
  4. Step 4: Simplify right side
    259,356.56x = 39,499,159,386.83
  5. Step 5: Solve for x
    x = 39,499,159,386.83/259,356.56
  6. Step 6: Final answer
    x = 152,296.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.