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Finding the Fourth Proportional to 359,032.53, 538,550.55 and 106,317.81

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Solution

The fourth proportional to 359,032.53, 538,550.55 and 106,317.81 is: 159,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,032.53 : 538,550.55 = 106,317.81 : x
  2. Step 2: Convert to fraction form
    359,032.53/538,550.55 = 106,317.81/x
  3. Step 3: Cross multiply
    359,032.53x = 538,550.55 × 106,317.81
  4. Step 4: Simplify right side
    359,032.53x = 57,257,515,050.30
  5. Step 5: Solve for x
    x = 57,257,515,050.30/359,032.53
  6. Step 6: Final answer
    x = 159,477.23

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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.