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Finding the Fourth Proportional to 117,625.77, 162,326.16 and 69,879.24

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Solution

The fourth proportional to 117,625.77, 162,326.16 and 69,879.24 is: 96,434.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,625.77 : 162,326.16 = 69,879.24 : x
  2. Step 2: Convert to fraction form
    117,625.77/162,326.16 = 69,879.24/x
  3. Step 3: Cross multiply
    117,625.77x = 162,326.16 × 69,879.24
  4. Step 4: Simplify right side
    117,625.77x = 11,343,228,692.92
  5. Step 5: Solve for x
    x = 11,343,228,692.92/117,625.77
  6. Step 6: Final answer
    x = 96,434.89

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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.