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Finding the Fourth Proportional to 519,863.92, 779,870.26 and 160,065.21

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Solution

The fourth proportional to 519,863.92, 779,870.26 and 160,065.21 is: 240,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,863.92 : 779,870.26 = 160,065.21 : x
  2. Step 2: Convert to fraction form
    519,863.92/779,870.26 = 160,065.21/x
  3. Step 3: Cross multiply
    519,863.92x = 779,870.26 × 160,065.21
  4. Step 4: Simplify right side
    519,863.92x = 124,830,096,939.66
  5. Step 5: Solve for x
    x = 124,830,096,939.66/519,863.92
  6. Step 6: Final answer
    x = 240,120.72

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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.