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Finding the Fourth Proportional to 207,953.90, 310,426.56 and 182,731.30

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Solution

The fourth proportional to 207,953.90, 310,426.56 and 182,731.30 is: 272,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,953.90 : 310,426.56 = 182,731.30 : x
  2. Step 2: Convert to fraction form
    207,953.90/310,426.56 = 182,731.30/x
  3. Step 3: Cross multiply
    207,953.90x = 310,426.56 × 182,731.30
  4. Step 4: Simplify right side
    207,953.90x = 56,724,648,863.33
  5. Step 5: Solve for x
    x = 56,724,648,863.33/207,953.90
  6. Step 6: Final answer
    x = 272,775.11

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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.