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Finding the Fourth Proportional to 123,066.60, 184,211.10 and 96,628.20

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Solution

The fourth proportional to 123,066.60, 184,211.10 and 96,628.20 is: 144,637.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,066.60 : 184,211.10 = 96,628.20 : x
  2. Step 2: Convert to fraction form
    123,066.60/184,211.10 = 96,628.20/x
  3. Step 3: Cross multiply
    123,066.60x = 184,211.10 × 96,628.20
  4. Step 4: Simplify right side
    123,066.60x = 17,799,987,013.02
  5. Step 5: Solve for x
    x = 17,799,987,013.02/123,066.60
  6. Step 6: Final answer
    x = 144,637.03

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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.