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Finding the Fourth Proportional to 186,883.65, 257,896.71 and 101,995.11

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Solution

The fourth proportional to 186,883.65, 257,896.71 and 101,995.11 is: 140,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,883.65 : 257,896.71 = 101,995.11 : x
  2. Step 2: Convert to fraction form
    186,883.65/257,896.71 = 101,995.11/x
  3. Step 3: Cross multiply
    186,883.65x = 257,896.71 × 101,995.11
  4. Step 4: Simplify right side
    186,883.65x = 26,304,203,305.09
  5. Step 5: Solve for x
    x = 26,304,203,305.09/186,883.65
  6. Step 6: Final answer
    x = 140,751.76

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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.