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Finding the Fourth Proportional to 359,750.70, 539,702.64 and 107,031.96

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Solution

The fourth proportional to 359,750.70, 539,702.64 and 107,031.96 is: 160,570.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,750.70 : 539,702.64 = 107,031.96 : x
  2. Step 2: Convert to fraction form
    359,750.70/539,702.64 = 107,031.96/x
  3. Step 3: Cross multiply
    359,750.70x = 539,702.64 × 107,031.96
  4. Step 4: Simplify right side
    359,750.70x = 57,765,431,376.37
  5. Step 5: Solve for x
    x = 57,765,431,376.37/359,750.70
  6. Step 6: Final answer
    x = 160,570.73

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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.