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Finding the Fourth Proportional to 93,244.59, 139,867.87 and 74,642.88

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Solution

The fourth proportional to 93,244.59, 139,867.87 and 74,642.88 is: 111,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,244.59 : 139,867.87 = 74,642.88 : x
  2. Step 2: Convert to fraction form
    93,244.59/139,867.87 = 74,642.88/x
  3. Step 3: Cross multiply
    93,244.59x = 139,867.87 × 74,642.88
  4. Step 4: Simplify right side
    93,244.59x = 10,440,140,449.66
  5. Step 5: Solve for x
    x = 10,440,140,449.66/93,244.59
  6. Step 6: Final answer
    x = 111,965.11

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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.