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Finding the Fourth Proportional to 100,603.67, 150,856.83 and 58,495.95

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Solution

The fourth proportional to 100,603.67, 150,856.83 and 58,495.95 is: 87,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,603.67 : 150,856.83 = 58,495.95 : x
  2. Step 2: Convert to fraction form
    100,603.67/150,856.83 = 58,495.95/x
  3. Step 3: Cross multiply
    100,603.67x = 150,856.83 × 58,495.95
  4. Step 4: Simplify right side
    100,603.67x = 8,824,513,584.84
  5. Step 5: Solve for x
    x = 8,824,513,584.84/100,603.67
  6. Step 6: Final answer
    x = 87,715.63

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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.