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Finding the Fourth Proportional to 359,859, 539,788.50 and 110,541

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Solution

The fourth proportional to 359,859, 539,788.50 and 110,541 is: 165,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,859 : 539,788.50 = 110,541 : x
  2. Step 2: Convert to fraction form
    359,859/539,788.50 = 110,541/x
  3. Step 3: Cross multiply
    359,859x = 539,788.50 × 110,541
  4. Step 4: Simplify right side
    359,859x = 59,668,760,578.50
  5. Step 5: Solve for x
    x = 59,668,760,578.50/359,859
  6. Step 6: Final answer
    x = 165,811.50

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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.