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Finding the Fourth Proportional to 207,263.15, 310,251.16 and 112,257.37

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Solution

The fourth proportional to 207,263.15, 310,251.16 and 112,257.37 is: 168,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,263.15 : 310,251.16 = 112,257.37 : x
  2. Step 2: Convert to fraction form
    207,263.15/310,251.16 = 112,257.37/x
  3. Step 3: Cross multiply
    207,263.15x = 310,251.16 × 112,257.37
  4. Step 4: Simplify right side
    207,263.15x = 34,827,978,916.60
  5. Step 5: Solve for x
    x = 34,827,978,916.60/207,263.15
  6. Step 6: Final answer
    x = 168,037.48

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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.