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Finding the Fourth Proportional to 117,588.64, 162,275.26 and 63,873.64

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Solution

The fourth proportional to 117,588.64, 162,275.26 and 63,873.64 is: 88,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,588.64 : 162,275.26 = 63,873.64 : x
  2. Step 2: Convert to fraction form
    117,588.64/162,275.26 = 63,873.64/x
  3. Step 3: Cross multiply
    117,588.64x = 162,275.26 × 63,873.64
  4. Step 4: Simplify right side
    117,588.64x = 10,365,111,538.15
  5. Step 5: Solve for x
    x = 10,365,111,538.15/117,588.64
  6. Step 6: Final answer
    x = 88,147.22

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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.