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Finding the Fourth Proportional to 86,603.37, 119,511.51 and 48,363.57

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Solution

The fourth proportional to 86,603.37, 119,511.51 and 48,363.57 is: 66,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,603.37 : 119,511.51 = 48,363.57 : x
  2. Step 2: Convert to fraction form
    86,603.37/119,511.51 = 48,363.57/x
  3. Step 3: Cross multiply
    86,603.37x = 119,511.51 × 48,363.57
  4. Step 4: Simplify right side
    86,603.37x = 5,780,003,279.69
  5. Step 5: Solve for x
    x = 5,780,003,279.69/86,603.37
  6. Step 6: Final answer
    x = 66,741.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.