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Finding the Fourth Proportional to 359,393.02, 539,154.08 and 122,680.33

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Solution

The fourth proportional to 359,393.02, 539,154.08 and 122,680.33 is: 184,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,393.02 : 539,154.08 = 122,680.33 : x
  2. Step 2: Convert to fraction form
    359,393.02/539,154.08 = 122,680.33/x
  3. Step 3: Cross multiply
    359,393.02x = 539,154.08 × 122,680.33
  4. Step 4: Simplify right side
    359,393.02x = 66,143,600,455.25
  5. Step 5: Solve for x
    x = 66,143,600,455.25/359,393.02
  6. Step 6: Final answer
    x = 184,042.53

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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.