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Finding the Fourth Proportional to 135,604, 203,417.60 and 35,763.36

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Solution

The fourth proportional to 135,604, 203,417.60 and 35,763.36 is: 53,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,604 : 203,417.60 = 35,763.36 : x
  2. Step 2: Convert to fraction form
    135,604/203,417.60 = 35,763.36/x
  3. Step 3: Cross multiply
    135,604x = 203,417.60 × 35,763.36
  4. Step 4: Simplify right side
    135,604x = 7,274,896,859.14
  5. Step 5: Solve for x
    x = 7,274,896,859.14/135,604
  6. Step 6: Final answer
    x = 53,648.10

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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.