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Finding the Fourth Proportional to 359,780.07, 539,576.01 and 106,992.44

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Solution

The fourth proportional to 359,780.07, 539,576.01 and 106,992.44 is: 160,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,780.07 : 539,576.01 = 106,992.44 : x
  2. Step 2: Convert to fraction form
    359,780.07/539,576.01 = 106,992.44/x
  3. Step 3: Cross multiply
    359,780.07x = 539,576.01 × 106,992.44
  4. Step 4: Simplify right side
    359,780.07x = 57,730,551,177.48
  5. Step 5: Solve for x
    x = 57,730,551,177.48/359,780.07
  6. Step 6: Final answer
    x = 160,460.67

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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.