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Finding the Fourth Proportional to 186,133.50, 256,863.07 and 101,250.90

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Solution

The fourth proportional to 186,133.50, 256,863.07 and 101,250.90 is: 139,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,133.50 : 256,863.07 = 101,250.90 : x
  2. Step 2: Convert to fraction form
    186,133.50/256,863.07 = 101,250.90/x
  3. Step 3: Cross multiply
    186,133.50x = 256,863.07 × 101,250.90
  4. Step 4: Simplify right side
    186,133.50x = 26,007,615,476.82
  5. Step 5: Solve for x
    x = 26,007,615,476.82/186,133.50
  6. Step 6: Final answer
    x = 139,725.61

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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.