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Finding the Fourth Proportional to 63,167.16, 94,719.04 and 21,032.40

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Solution

The fourth proportional to 63,167.16, 94,719.04 and 21,032.40 is: 31,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,167.16 : 94,719.04 = 21,032.40 : x
  2. Step 2: Convert to fraction form
    63,167.16/94,719.04 = 21,032.40/x
  3. Step 3: Cross multiply
    63,167.16x = 94,719.04 × 21,032.40
  4. Step 4: Simplify right side
    63,167.16x = 1,992,168,736.90
  5. Step 5: Solve for x
    x = 1,992,168,736.90/63,167.16
  6. Step 6: Final answer
    x = 31,538.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.