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Finding the Fourth Proportional to 101,686.39, 152,467.99 and 45,516.01

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Solution

The fourth proportional to 101,686.39, 152,467.99 and 45,516.01 is: 68,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,686.39 : 152,467.99 = 45,516.01 : x
  2. Step 2: Convert to fraction form
    101,686.39/152,467.99 = 45,516.01/x
  3. Step 3: Cross multiply
    101,686.39x = 152,467.99 × 45,516.01
  4. Step 4: Simplify right side
    101,686.39x = 6,939,734,557.52
  5. Step 5: Solve for x
    x = 6,939,734,557.52/101,686.39
  6. Step 6: Final answer
    x = 68,246.44

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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.