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Finding the Fourth Proportional to 101,603.95, 152,412.91 and 30,523.61

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Solution

The fourth proportional to 101,603.95, 152,412.91 and 30,523.61 is: 45,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,603.95 : 152,412.91 = 30,523.61 : x
  2. Step 2: Convert to fraction form
    101,603.95/152,412.91 = 30,523.61/x
  3. Step 3: Cross multiply
    101,603.95x = 152,412.91 × 30,523.61
  4. Step 4: Simplify right side
    101,603.95x = 4,652,192,528.53
  5. Step 5: Solve for x
    x = 4,652,192,528.53/101,603.95
  6. Step 6: Final answer
    x = 45,787.52

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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.