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Finding the Fourth Proportional to 207,260.82, 310,891.14 and 93,275.40

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Solution

The fourth proportional to 207,260.82, 310,891.14 and 93,275.40 is: 139,913.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,260.82 : 310,891.14 = 93,275.40 : x
  2. Step 2: Convert to fraction form
    207,260.82/310,891.14 = 93,275.40/x
  3. Step 3: Cross multiply
    207,260.82x = 310,891.14 × 93,275.40
  4. Step 4: Simplify right side
    207,260.82x = 28,998,495,439.96
  5. Step 5: Solve for x
    x = 28,998,495,439.96/207,260.82
  6. Step 6: Final answer
    x = 139,913.06

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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.