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Finding the Fourth Proportional to 359,433.60, 539,058.11 and 106,654.32

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Solution

The fourth proportional to 359,433.60, 539,058.11 and 106,654.32 is: 159,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,433.60 : 539,058.11 = 106,654.32 : x
  2. Step 2: Convert to fraction form
    359,433.60/539,058.11 = 106,654.32/x
  3. Step 3: Cross multiply
    359,433.60x = 539,058.11 × 106,654.32
  4. Step 4: Simplify right side
    359,433.60x = 57,492,875,629.26
  5. Step 5: Solve for x
    x = 57,492,875,629.26/359,433.60
  6. Step 6: Final answer
    x = 159,954.09

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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.