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Finding the Fourth Proportional to 63,402.64, 94,963.78 and 43,364.64

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Solution

The fourth proportional to 63,402.64, 94,963.78 and 43,364.64 is: 64,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,402.64 : 94,963.78 = 43,364.64 : x
  2. Step 2: Convert to fraction form
    63,402.64/94,963.78 = 43,364.64/x
  3. Step 3: Cross multiply
    63,402.64x = 94,963.78 × 43,364.64
  4. Step 4: Simplify right side
    63,402.64x = 4,118,070,132.74
  5. Step 5: Solve for x
    x = 4,118,070,132.74/63,402.64
  6. Step 6: Final answer
    x = 64,951.08

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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.