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Finding the Fourth Proportional to 135,590.76, 203,393.88 and 45,597.36

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Solution

The fourth proportional to 135,590.76, 203,393.88 and 45,597.36 is: 68,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,590.76 : 203,393.88 = 45,597.36 : x
  2. Step 2: Convert to fraction form
    135,590.76/203,393.88 = 45,597.36/x
  3. Step 3: Cross multiply
    135,590.76x = 203,393.88 × 45,597.36
  4. Step 4: Simplify right side
    135,590.76x = 9,274,223,968.16
  5. Step 5: Solve for x
    x = 9,274,223,968.16/135,590.76
  6. Step 6: Final answer
    x = 68,398.64

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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.