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Finding the Fourth Proportional to 359,392.02, 539,152.56 and 122,679.33

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Solution

The fourth proportional to 359,392.02, 539,152.56 and 122,679.33 is: 184,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,392.02 : 539,152.56 = 122,679.33 : x
  2. Step 2: Convert to fraction form
    359,392.02/539,152.56 = 122,679.33/x
  3. Step 3: Cross multiply
    359,392.02x = 539,152.56 × 122,679.33
  4. Step 4: Simplify right side
    359,392.02x = 66,142,874,828.58
  5. Step 5: Solve for x
    x = 66,142,874,828.58/359,392.02
  6. Step 6: Final answer
    x = 184,041.02

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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.