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Finding the Fourth Proportional to 117,416.30, 162,034.56 and 63,701.32

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Solution

The fourth proportional to 117,416.30, 162,034.56 and 63,701.32 is: 87,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,416.30 : 162,034.56 = 63,701.32 : x
  2. Step 2: Convert to fraction form
    117,416.30/162,034.56 = 63,701.32/x
  3. Step 3: Cross multiply
    117,416.30x = 162,034.56 × 63,701.32
  4. Step 4: Simplify right side
    117,416.30x = 10,321,815,357.62
  5. Step 5: Solve for x
    x = 10,321,815,357.62/117,416.30
  6. Step 6: Final answer
    x = 87,907.86

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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.