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Finding the Fourth Proportional to 519,881.80, 779,897.10 and 160,083.10

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Solution

The fourth proportional to 519,881.80, 779,897.10 and 160,083.10 is: 240,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,881.80 : 779,897.10 = 160,083.10 : x
  2. Step 2: Convert to fraction form
    519,881.80/779,897.10 = 160,083.10/x
  3. Step 3: Cross multiply
    519,881.80x = 779,897.10 × 160,083.10
  4. Step 4: Simplify right side
    519,881.80x = 124,848,345,449.01
  5. Step 5: Solve for x
    x = 124,848,345,449.01/519,881.80
  6. Step 6: Final answer
    x = 240,147.56

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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.