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Finding the Fourth Proportional to 519,880.55, 779,895.23 and 160,081.85

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Solution

The fourth proportional to 519,880.55, 779,895.23 and 160,081.85 is: 240,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,880.55 : 779,895.23 = 160,081.85 : x
  2. Step 2: Convert to fraction form
    519,880.55/779,895.23 = 160,081.85/x
  3. Step 3: Cross multiply
    519,880.55x = 779,895.23 × 160,081.85
  4. Step 4: Simplify right side
    519,880.55x = 124,847,070,424.17
  5. Step 5: Solve for x
    x = 124,847,070,424.17/519,880.55
  6. Step 6: Final answer
    x = 240,145.68

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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.