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Finding the Fourth Proportional to 359,782.82, 539,580.13 and 106,995.19

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Solution

The fourth proportional to 359,782.82, 539,580.13 and 106,995.19 is: 160,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,782.82 : 539,580.13 = 106,995.19 : x
  2. Step 2: Convert to fraction form
    359,782.82/539,580.13 = 106,995.19/x
  3. Step 3: Cross multiply
    359,782.82x = 539,580.13 × 106,995.19
  4. Step 4: Simplify right side
    359,782.82x = 57,732,478,529.57
  5. Step 5: Solve for x
    x = 57,732,478,529.57/359,782.82
  6. Step 6: Final answer
    x = 160,464.80

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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.