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Finding the Fourth Proportional to 63,153.10, 87,165.90 and 41,646.71

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Solution

The fourth proportional to 63,153.10, 87,165.90 and 41,646.71 is: 57,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,153.10 : 87,165.90 = 41,646.71 : x
  2. Step 2: Convert to fraction form
    63,153.10/87,165.90 = 41,646.71/x
  3. Step 3: Cross multiply
    63,153.10x = 87,165.90 × 41,646.71
  4. Step 4: Simplify right side
    63,153.10x = 3,630,173,177.10
  5. Step 5: Solve for x
    x = 3,630,173,177.10/63,153.10
  6. Step 6: Final answer
    x = 57,482.10

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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.