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Finding the Fourth Proportional to 359,395.95, 539,158.48 and 122,683.29

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Solution

The fourth proportional to 359,395.95, 539,158.48 and 122,683.29 is: 184,046.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,395.95 : 539,158.48 = 122,683.29 : x
  2. Step 2: Convert to fraction form
    359,395.95/539,158.48 = 122,683.29/x
  3. Step 3: Cross multiply
    359,395.95x = 539,158.48 × 122,683.29
  4. Step 4: Simplify right side
    359,395.95x = 66,145,736,157.80
  5. Step 5: Solve for x
    x = 66,145,736,157.80/359,395.95
  6. Step 6: Final answer
    x = 184,046.97

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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.