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Finding the Fourth Proportional to 101,322.70, 151,984.17 and 26,442.79

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Solution

The fourth proportional to 101,322.70, 151,984.17 and 26,442.79 is: 39,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,322.70 : 151,984.17 = 26,442.79 : x
  2. Step 2: Convert to fraction form
    101,322.70/151,984.17 = 26,442.79/x
  3. Step 3: Cross multiply
    101,322.70x = 151,984.17 × 26,442.79
  4. Step 4: Simplify right side
    101,322.70x = 4,018,885,490.63
  5. Step 5: Solve for x
    x = 4,018,885,490.63/101,322.70
  6. Step 6: Final answer
    x = 39,664.22

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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.