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Finding the Fourth Proportional to 117,414.06, 162,031.46 and 63,699.06

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Solution

The fourth proportional to 117,414.06, 162,031.46 and 63,699.06 is: 87,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,414.06 : 162,031.46 = 63,699.06 : x
  2. Step 2: Convert to fraction form
    117,414.06/162,031.46 = 63,699.06/x
  3. Step 3: Cross multiply
    117,414.06x = 162,031.46 × 63,699.06
  4. Step 4: Simplify right side
    117,414.06x = 10,321,251,533.18
  5. Step 5: Solve for x
    x = 10,321,251,533.18/117,414.06
  6. Step 6: Final answer
    x = 87,904.73

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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.