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Finding the Fourth Proportional to 359,090.02, 538,469.43 and 106,280.11

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Solution

The fourth proportional to 359,090.02, 538,469.43 and 106,280.11 is: 159,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,090.02 : 538,469.43 = 106,280.11 : x
  2. Step 2: Convert to fraction form
    359,090.02/538,469.43 = 106,280.11/x
  3. Step 3: Cross multiply
    359,090.02x = 538,469.43 × 106,280.11
  4. Step 4: Simplify right side
    359,090.02x = 57,228,590,252.04
  5. Step 5: Solve for x
    x = 57,228,590,252.04/359,090.02
  6. Step 6: Final answer
    x = 159,371.15

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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.