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Finding the Fourth Proportional to 207,912.46, 310,364.68 and 182,689.87

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Solution

The fourth proportional to 207,912.46, 310,364.68 and 182,689.87 is: 272,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,912.46 : 310,364.68 = 182,689.87 : x
  2. Step 2: Convert to fraction form
    207,912.46/310,364.68 = 182,689.87/x
  3. Step 3: Cross multiply
    207,912.46x = 310,364.68 × 182,689.87
  4. Step 4: Simplify right side
    207,912.46x = 56,700,483,041.79
  5. Step 5: Solve for x
    x = 56,700,483,041.79/207,912.46
  6. Step 6: Final answer
    x = 272,713.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.