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Finding the Fourth Proportional to 207,301.76, 310,954.37 and 57,553.72

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Solution

The fourth proportional to 207,301.76, 310,954.37 and 57,553.72 is: 86,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,301.76 : 310,954.37 = 57,553.72 : x
  2. Step 2: Convert to fraction form
    207,301.76/310,954.37 = 57,553.72/x
  3. Step 3: Cross multiply
    207,301.76x = 310,954.37 × 57,553.72
  4. Step 4: Simplify right side
    207,301.76x = 17,896,581,994.26
  5. Step 5: Solve for x
    x = 17,896,581,994.26/207,301.76
  6. Step 6: Final answer
    x = 86,331.07

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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.