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Finding the Fourth Proportional to 359,599.49, 539,258.90 and 134,837.31

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Solution

The fourth proportional to 359,599.49, 539,258.90 and 134,837.31 is: 202,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,599.49 : 539,258.90 = 134,837.31 : x
  2. Step 2: Convert to fraction form
    359,599.49/539,258.90 = 134,837.31/x
  3. Step 3: Cross multiply
    359,599.49x = 539,258.90 × 134,837.31
  4. Step 4: Simplify right side
    359,599.49x = 72,712,218,795.37
  5. Step 5: Solve for x
    x = 72,712,218,795.37/359,599.49
  6. Step 6: Final answer
    x = 202,203.35

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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.