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Finding the Fourth Proportional to 359,985.75, 540,066.11 and 110,667.75

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Solution

The fourth proportional to 359,985.75, 540,066.11 and 110,667.75 is: 166,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,985.75 : 540,066.11 = 110,667.75 : x
  2. Step 2: Convert to fraction form
    359,985.75/540,066.11 = 110,667.75/x
  3. Step 3: Cross multiply
    359,985.75x = 540,066.11 × 110,667.75
  4. Step 4: Simplify right side
    359,985.75x = 59,767,900,691.61
  5. Step 5: Solve for x
    x = 59,767,900,691.61/359,985.75
  6. Step 6: Final answer
    x = 166,028.52

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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.