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Finding the Fourth Proportional to 117,473.38, 162,113.43 and 63,758.40

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Solution

The fourth proportional to 117,473.38, 162,113.43 and 63,758.40 is: 87,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,473.38 : 162,113.43 = 63,758.40 : x
  2. Step 2: Convert to fraction form
    117,473.38/162,113.43 = 63,758.40/x
  3. Step 3: Cross multiply
    117,473.38x = 162,113.43 × 63,758.40
  4. Step 4: Simplify right side
    117,473.38x = 10,336,092,915.31
  5. Step 5: Solve for x
    x = 10,336,092,915.31/117,473.38
  6. Step 6: Final answer
    x = 87,986.68

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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.