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Finding the Fourth Proportional to 359,250.96, 538,955.55 and 106,551.21

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Solution

The fourth proportional to 359,250.96, 538,955.55 and 106,551.21 is: 159,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,250.96 : 538,955.55 = 106,551.21 : x
  2. Step 2: Convert to fraction form
    359,250.96/538,955.55 = 106,551.21/x
  3. Step 3: Cross multiply
    359,250.96x = 538,955.55 × 106,551.21
  4. Step 4: Simplify right side
    359,250.96x = 57,426,365,988.72
  5. Step 5: Solve for x
    x = 57,426,365,988.72/359,250.96
  6. Step 6: Final answer
    x = 159,850.28

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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.