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Finding the Fourth Proportional to 359,855.19, 539,191.98 and 123,068.70

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Solution

The fourth proportional to 359,855.19, 539,191.98 and 123,068.70 is: 184,401.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,855.19 : 539,191.98 = 123,068.70 : x
  2. Step 2: Convert to fraction form
    359,855.19/539,191.98 = 123,068.70/x
  3. Step 3: Cross multiply
    359,855.19x = 539,191.98 × 123,068.70
  4. Step 4: Simplify right side
    359,855.19x = 66,357,656,029.03
  5. Step 5: Solve for x
    x = 66,357,656,029.03/359,855.19
  6. Step 6: Final answer
    x = 184,401.00

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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.