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Finding the Fourth Proportional to 117,913.95, 162,695.97 and 70,157.97

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Solution

The fourth proportional to 117,913.95, 162,695.97 and 70,157.97 is: 96,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,913.95 : 162,695.97 = 70,157.97 : x
  2. Step 2: Convert to fraction form
    117,913.95/162,695.97 = 70,157.97/x
  3. Step 3: Cross multiply
    117,913.95x = 162,695.97 × 70,157.97
  4. Step 4: Simplify right side
    117,913.95x = 11,414,418,982.38
  5. Step 5: Solve for x
    x = 11,414,418,982.38/117,913.95
  6. Step 6: Final answer
    x = 96,802.96

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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.