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Finding the Fourth Proportional to 359,826.36, 539,645.36 and 107,038.76

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Solution

The fourth proportional to 359,826.36, 539,645.36 and 107,038.76 is: 160,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,826.36 : 539,645.36 = 107,038.76 : x
  2. Step 2: Convert to fraction form
    359,826.36/539,645.36 = 107,038.76/x
  3. Step 3: Cross multiply
    359,826.36x = 539,645.36 × 107,038.76
  4. Step 4: Simplify right side
    359,826.36x = 57,762,970,174.15
  5. Step 5: Solve for x
    x = 57,762,970,174.15/359,826.36
  6. Step 6: Final answer
    x = 160,530.12

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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.