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Finding the Fourth Proportional to 93,679.29, 140,565.06 and 43,752.11

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Solution

The fourth proportional to 93,679.29, 140,565.06 and 43,752.11 is: 65,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,679.29 : 140,565.06 = 43,752.11 : x
  2. Step 2: Convert to fraction form
    93,679.29/140,565.06 = 43,752.11/x
  3. Step 3: Cross multiply
    93,679.29x = 140,565.06 × 43,752.11
  4. Step 4: Simplify right side
    93,679.29x = 6,150,017,264.45
  5. Step 5: Solve for x
    x = 6,150,017,264.45/93,679.29
  6. Step 6: Final answer
    x = 65,649.70

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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.