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Finding the Fourth Proportional to 117,538.50, 162,203.22 and 63,823.53

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Solution

The fourth proportional to 117,538.50, 162,203.22 and 63,823.53 is: 88,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,538.50 : 162,203.22 = 63,823.53 : x
  2. Step 2: Convert to fraction form
    117,538.50/162,203.22 = 63,823.53/x
  3. Step 3: Cross multiply
    117,538.50x = 162,203.22 × 63,823.53
  4. Step 4: Simplify right side
    117,538.50x = 10,352,382,077.77
  5. Step 5: Solve for x
    x = 10,352,382,077.77/117,538.50
  6. Step 6: Final answer
    x = 88,076.52

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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.