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Finding the Fourth Proportional to 117,934.32, 162,753.36 and 64,220.24

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Solution

The fourth proportional to 117,934.32, 162,753.36 and 64,220.24 is: 88,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,934.32 : 162,753.36 = 64,220.24 : x
  2. Step 2: Convert to fraction form
    117,934.32/162,753.36 = 64,220.24/x
  3. Step 3: Cross multiply
    117,934.32x = 162,753.36 × 64,220.24
  4. Step 4: Simplify right side
    117,934.32x = 10,452,059,840.01
  5. Step 5: Solve for x
    x = 10,452,059,840.01/117,934.32
  6. Step 6: Final answer
    x = 88,626.11

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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.