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Finding the Fourth Proportional to 359,659.93, 539,317.77 and 169,961.98

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Solution

The fourth proportional to 359,659.93, 539,317.77 and 169,961.98 is: 254,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,659.93 : 539,317.77 = 169,961.98 : x
  2. Step 2: Convert to fraction form
    359,659.93/539,317.77 = 169,961.98/x
  3. Step 3: Cross multiply
    359,659.93x = 539,317.77 × 169,961.98
  4. Step 4: Simplify right side
    359,659.93x = 91,663,516,038.38
  5. Step 5: Solve for x
    x = 91,663,516,038.38/359,659.93
  6. Step 6: Final answer
    x = 254,861.63

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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.