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Finding the Fourth Proportional to 359,416.57, 539,032.59 and 106,637.26

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Solution

The fourth proportional to 359,416.57, 539,032.59 and 106,637.26 is: 159,928.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,416.57 : 539,032.59 = 106,637.26 : x
  2. Step 2: Convert to fraction form
    359,416.57/539,032.59 = 106,637.26/x
  3. Step 3: Cross multiply
    359,416.57x = 539,032.59 × 106,637.26
  4. Step 4: Simplify right side
    359,416.57x = 57,480,957,100.72
  5. Step 5: Solve for x
    x = 57,480,957,100.72/359,416.57
  6. Step 6: Final answer
    x = 159,928.51

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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.