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Finding the Fourth Proportional to 359,356.33, 539,015.95 and 106,638.96

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Solution

The fourth proportional to 359,356.33, 539,015.95 and 106,638.96 is: 159,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,356.33 : 539,015.95 = 106,638.96 : x
  2. Step 2: Convert to fraction form
    359,356.33/539,015.95 = 106,638.96/x
  3. Step 3: Cross multiply
    359,356.33x = 539,015.95 × 106,638.96
  4. Step 4: Simplify right side
    359,356.33x = 57,480,100,331.41
  5. Step 5: Solve for x
    x = 57,480,100,331.41/359,356.33
  6. Step 6: Final answer
    x = 159,952.94

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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.