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Finding the Fourth Proportional to 64,260.63, 88,801.66 and 48,317.40

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Solution

The fourth proportional to 64,260.63, 88,801.66 and 48,317.40 is: 66,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,260.63 : 88,801.66 = 48,317.40 : x
  2. Step 2: Convert to fraction form
    64,260.63/88,801.66 = 48,317.40/x
  3. Step 3: Cross multiply
    64,260.63x = 88,801.66 × 48,317.40
  4. Step 4: Simplify right side
    64,260.63x = 4,290,665,387.28
  5. Step 5: Solve for x
    x = 4,290,665,387.28/64,260.63
  6. Step 6: Final answer
    x = 66,769.74

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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.