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Finding the Fourth Proportional to 117,858.30, 162,616.11 and 69,462.15

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Solution

The fourth proportional to 117,858.30, 162,616.11 and 69,462.15 is: 95,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,858.30 : 162,616.11 = 69,462.15 : x
  2. Step 2: Convert to fraction form
    117,858.30/162,616.11 = 69,462.15/x
  3. Step 3: Cross multiply
    117,858.30x = 162,616.11 × 69,462.15
  4. Step 4: Simplify right side
    117,858.30x = 11,295,663,754.94
  5. Step 5: Solve for x
    x = 11,295,663,754.94/117,858.30
  6. Step 6: Final answer
    x = 95,841.06

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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.