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Finding the Fourth Proportional to 84,280.77, 116,310.83 and 48,470.76

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Solution

The fourth proportional to 84,280.77, 116,310.83 and 48,470.76 is: 66,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,280.77 : 116,310.83 = 48,470.76 : x
  2. Step 2: Convert to fraction form
    84,280.77/116,310.83 = 48,470.76/x
  3. Step 3: Cross multiply
    84,280.77x = 116,310.83 × 48,470.76
  4. Step 4: Simplify right side
    84,280.77x = 5,637,674,083.98
  5. Step 5: Solve for x
    x = 5,637,674,083.98/84,280.77
  6. Step 6: Final answer
    x = 66,891.58

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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.