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Finding the Fourth Proportional to 101,179.62, 151,837.14 and 42,015.36

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Solution

The fourth proportional to 101,179.62, 151,837.14 and 42,015.36 is: 63,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,179.62 : 151,837.14 = 42,015.36 : x
  2. Step 2: Convert to fraction form
    101,179.62/151,837.14 = 42,015.36/x
  3. Step 3: Cross multiply
    101,179.62x = 151,837.14 × 42,015.36
  4. Step 4: Simplify right side
    101,179.62x = 6,379,492,098.47
  5. Step 5: Solve for x
    x = 6,379,492,098.47/101,179.62
  6. Step 6: Final answer
    x = 63,051.16

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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.