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Finding the Fourth Proportional to 186,880.66, 257,891.65 and 101,998.33

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Solution

The fourth proportional to 186,880.66, 257,891.65 and 101,998.33 is: 140,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,880.66 : 257,891.65 = 101,998.33 : x
  2. Step 2: Convert to fraction form
    186,880.66/257,891.65 = 101,998.33/x
  3. Step 3: Cross multiply
    186,880.66x = 257,891.65 × 101,998.33
  4. Step 4: Simplify right side
    186,880.66x = 26,304,516,721.22
  5. Step 5: Solve for x
    x = 26,304,516,721.22/186,880.66
  6. Step 6: Final answer
    x = 140,755.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.