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Finding the Fourth Proportional to 84,867.52, 117,120.88 and 47,141.77

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Solution

The fourth proportional to 84,867.52, 117,120.88 and 47,141.77 is: 65,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,867.52 : 117,120.88 = 47,141.77 : x
  2. Step 2: Convert to fraction form
    84,867.52/117,120.88 = 47,141.77/x
  3. Step 3: Cross multiply
    84,867.52x = 117,120.88 × 47,141.77
  4. Step 4: Simplify right side
    84,867.52x = 5,521,285,587.16
  5. Step 5: Solve for x
    x = 5,521,285,587.16/84,867.52
  6. Step 6: Final answer
    x = 65,057.70

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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.