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Finding the Fourth Proportional to 84,676.17, 116,826.52 and 48,861.48

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Solution

The fourth proportional to 84,676.17, 116,826.52 and 48,861.48 is: 67,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,676.17 : 116,826.52 = 48,861.48 : x
  2. Step 2: Convert to fraction form
    84,676.17/116,826.52 = 48,861.48/x
  3. Step 3: Cross multiply
    84,676.17x = 116,826.52 × 48,861.48
  4. Step 4: Simplify right side
    84,676.17x = 5,708,316,670.45
  5. Step 5: Solve for x
    x = 5,708,316,670.45/84,676.17
  6. Step 6: Final answer
    x = 67,413.50

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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.