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Finding the Fourth Proportional to 181,504.71, 272,257.34 and 70,696.71

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Solution

The fourth proportional to 181,504.71, 272,257.34 and 70,696.71 is: 106,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,504.71 : 272,257.34 = 70,696.71 : x
  2. Step 2: Convert to fraction form
    181,504.71/272,257.34 = 70,696.71/x
  3. Step 3: Cross multiply
    181,504.71x = 272,257.34 × 70,696.71
  4. Step 4: Simplify right side
    181,504.71x = 19,247,697,857.87
  5. Step 5: Solve for x
    x = 19,247,697,857.87/181,504.71
  6. Step 6: Final answer
    x = 106,045.17

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1.5x scale

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.