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Finding the Fourth Proportional to 93,631.95, 140,368.95 and 43,685.73

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Solution

The fourth proportional to 93,631.95, 140,368.95 and 43,685.73 is: 65,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,631.95 : 140,368.95 = 43,685.73 : x
  2. Step 2: Convert to fraction form
    93,631.95/140,368.95 = 43,685.73/x
  3. Step 3: Cross multiply
    93,631.95x = 140,368.95 × 43,685.73
  4. Step 4: Simplify right side
    93,631.95x = 6,132,120,050.08
  5. Step 5: Solve for x
    x = 6,132,120,050.08/93,631.95
  6. Step 6: Final answer
    x = 65,491.75

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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.