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Finding the Fourth Proportional to 359,647.27, 539,470.76 and 106,926.67

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Solution

The fourth proportional to 359,647.27, 539,470.76 and 106,926.67 is: 160,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,647.27 : 539,470.76 = 106,926.67 : x
  2. Step 2: Convert to fraction form
    359,647.27/539,470.76 = 106,926.67/x
  3. Step 3: Cross multiply
    359,647.27x = 539,470.76 × 106,926.67
  4. Step 4: Simplify right side
    359,647.27x = 57,683,808,697.18
  5. Step 5: Solve for x
    x = 57,683,808,697.18/359,647.27
  6. Step 6: Final answer
    x = 160,389.95

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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.