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Finding the Fourth Proportional to 101,536.77, 152,336.30 and 45,424.11

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Solution

The fourth proportional to 101,536.77, 152,336.30 and 45,424.11 is: 68,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,536.77 : 152,336.30 = 45,424.11 : x
  2. Step 2: Convert to fraction form
    101,536.77/152,336.30 = 45,424.11/x
  3. Step 3: Cross multiply
    101,536.77x = 152,336.30 × 45,424.11
  4. Step 4: Simplify right side
    101,536.77x = 6,919,740,621.07
  5. Step 5: Solve for x
    x = 6,919,740,621.07/101,536.77
  6. Step 6: Final answer
    x = 68,150.10

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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.