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Finding the Fourth Proportional to 207,274.87, 310,877.53 and 57,530.37

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Solution

The fourth proportional to 207,274.87, 310,877.53 and 57,530.37 is: 86,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,274.87 : 310,877.53 = 57,530.37 : x
  2. Step 2: Convert to fraction form
    207,274.87/310,877.53 = 57,530.37/x
  3. Step 3: Cross multiply
    207,274.87x = 310,877.53 × 57,530.37
  4. Step 4: Simplify right side
    207,274.87x = 17,884,899,037.93
  5. Step 5: Solve for x
    x = 17,884,899,037.93/207,274.87
  6. Step 6: Final answer
    x = 86,285.90

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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.