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Finding the Fourth Proportional to 93,679.74, 140,565.73 and 43,763.34

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Solution

The fourth proportional to 93,679.74, 140,565.73 and 43,763.34 is: 65,666.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,679.74 : 140,565.73 = 43,763.34 : x
  2. Step 2: Convert to fraction form
    93,679.74/140,565.73 = 43,763.34/x
  3. Step 3: Cross multiply
    93,679.74x = 140,565.73 × 43,763.34
  4. Step 4: Simplify right side
    93,679.74x = 6,151,625,543.43
  5. Step 5: Solve for x
    x = 6,151,625,543.43/93,679.74
  6. Step 6: Final answer
    x = 65,666.55

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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.