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Finding the Fourth Proportional to 117,853.74, 162,655.68 and 69,440.22

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Solution

The fourth proportional to 117,853.74, 162,655.68 and 69,440.22 is: 95,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,853.74 : 162,655.68 = 69,440.22 : x
  2. Step 2: Convert to fraction form
    117,853.74/162,655.68 = 69,440.22/x
  3. Step 3: Cross multiply
    117,853.74x = 162,655.68 × 69,440.22
  4. Step 4: Simplify right side
    117,853.74x = 11,294,846,203.45
  5. Step 5: Solve for x
    x = 11,294,846,203.45/117,853.74
  6. Step 6: Final answer
    x = 95,837.83

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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.