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Finding the Fourth Proportional to 93,726.60, 140,585.80 and 27,165.28

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Solution

The fourth proportional to 93,726.60, 140,585.80 and 27,165.28 is: 40,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,726.60 : 140,585.80 = 27,165.28 : x
  2. Step 2: Convert to fraction form
    93,726.60/140,585.80 = 27,165.28/x
  3. Step 3: Cross multiply
    93,726.60x = 140,585.80 × 27,165.28
  4. Step 4: Simplify right side
    93,726.60x = 3,819,052,621.02
  5. Step 5: Solve for x
    x = 3,819,052,621.02/93,726.60
  6. Step 6: Final answer
    x = 40,746.73

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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.