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Finding the Fourth Proportional to 359,394.95, 539,156.98 and 122,682.29

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Solution

The fourth proportional to 359,394.95, 539,156.98 and 122,682.29 is: 184,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,394.95 : 539,156.98 = 122,682.29 : x
  2. Step 2: Convert to fraction form
    359,394.95/539,156.98 = 122,682.29/x
  3. Step 3: Cross multiply
    359,394.95x = 539,156.98 × 122,682.29
  4. Step 4: Simplify right side
    359,394.95x = 66,145,010,280.10
  5. Step 5: Solve for x
    x = 66,145,010,280.10/359,394.95
  6. Step 6: Final answer
    x = 184,045.46

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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.