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Finding the Fourth Proportional to 101,277.52, 151,928.40 and 42,153.16

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Solution

The fourth proportional to 101,277.52, 151,928.40 and 42,153.16 is: 63,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,277.52 : 151,928.40 = 42,153.16 : x
  2. Step 2: Convert to fraction form
    101,277.52/151,928.40 = 42,153.16/x
  3. Step 3: Cross multiply
    101,277.52x = 151,928.40 × 42,153.16
  4. Step 4: Simplify right side
    101,277.52x = 6,404,262,153.74
  5. Step 5: Solve for x
    x = 6,404,262,153.74/101,277.52
  6. Step 6: Final answer
    x = 63,234.78

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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.