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Finding the Fourth Proportional to 93,491.76, 140,232.87 and 34,322.88

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Solution

The fourth proportional to 93,491.76, 140,232.87 and 34,322.88 is: 51,482.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,491.76 : 140,232.87 = 34,322.88 : x
  2. Step 2: Convert to fraction form
    93,491.76/140,232.87 = 34,322.88/x
  3. Step 3: Cross multiply
    93,491.76x = 140,232.87 × 34,322.88
  4. Step 4: Simplify right side
    93,491.76x = 4,813,195,969.07
  5. Step 5: Solve for x
    x = 4,813,195,969.07/93,491.76
  6. Step 6: Final answer
    x = 51,482.57

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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.