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Finding the Fourth Proportional to 178,953.59, 268,233.48 and 73,715.15

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Solution

The fourth proportional to 178,953.59, 268,233.48 and 73,715.15 is: 110,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,953.59 : 268,233.48 = 73,715.15 : x
  2. Step 2: Convert to fraction form
    178,953.59/268,233.48 = 73,715.15/x
  3. Step 3: Cross multiply
    178,953.59x = 268,233.48 × 73,715.15
  4. Step 4: Simplify right side
    178,953.59x = 19,772,871,213.22
  5. Step 5: Solve for x
    x = 19,772,871,213.22/178,953.59
  6. Step 6: Final answer
    x = 110,491.62

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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.