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Finding the Fourth Proportional to 359,646.27, 539,469.26 and 106,925.67

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Solution

The fourth proportional to 359,646.27, 539,469.26 and 106,925.67 is: 160,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,646.27 : 539,469.26 = 106,925.67 : x
  2. Step 2: Convert to fraction form
    359,646.27/539,469.26 = 106,925.67/x
  3. Step 3: Cross multiply
    359,646.27x = 539,469.26 × 106,925.67
  4. Step 4: Simplify right side
    359,646.27x = 57,683,108,837.93
  5. Step 5: Solve for x
    x = 57,683,108,837.93/359,646.27
  6. Step 6: Final answer
    x = 160,388.45

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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.