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Finding the Fourth Proportional to 93,643.86, 140,444.73 and 27,069.15

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Solution

The fourth proportional to 93,643.86, 140,444.73 and 27,069.15 is: 40,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,643.86 : 140,444.73 = 27,069.15 : x
  2. Step 2: Convert to fraction form
    93,643.86/140,444.73 = 27,069.15/x
  3. Step 3: Cross multiply
    93,643.86x = 140,444.73 × 27,069.15
  4. Step 4: Simplify right side
    93,643.86x = 3,801,719,463.08
  5. Step 5: Solve for x
    x = 3,801,719,463.08/93,643.86
  6. Step 6: Final answer
    x = 40,597.64

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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.