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Finding the Fourth Proportional to 176,274.10, 264,313.95 and 70,974.10

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Solution

The fourth proportional to 176,274.10, 264,313.95 and 70,974.10 is: 106,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,274.10 : 264,313.95 = 70,974.10 : x
  2. Step 2: Convert to fraction form
    176,274.10/264,313.95 = 70,974.10/x
  3. Step 3: Cross multiply
    176,274.10x = 264,313.95 × 70,974.10
  4. Step 4: Simplify right side
    176,274.10x = 18,759,444,718.70
  5. Step 5: Solve for x
    x = 18,759,444,718.70/176,274.10
  6. Step 6: Final answer
    x = 106,422.01

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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.