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Finding the Fourth Proportional to 101,610.63, 152,415.96 and 42,414.01

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Solution

The fourth proportional to 101,610.63, 152,415.96 and 42,414.01 is: 63,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,610.63 : 152,415.96 = 42,414.01 : x
  2. Step 2: Convert to fraction form
    101,610.63/152,415.96 = 42,414.01/x
  3. Step 3: Cross multiply
    101,610.63x = 152,415.96 × 42,414.01
  4. Step 4: Simplify right side
    101,610.63x = 6,464,571,670.56
  5. Step 5: Solve for x
    x = 6,464,571,670.56/101,610.63
  6. Step 6: Final answer
    x = 63,621.02

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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.