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Finding the Fourth Proportional to 186,187.59, 256,640.13 and 125,738.91

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Solution

The fourth proportional to 186,187.59, 256,640.13 and 125,738.91 is: 173,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,187.59 : 256,640.13 = 125,738.91 : x
  2. Step 2: Convert to fraction form
    186,187.59/256,640.13 = 125,738.91/x
  3. Step 3: Cross multiply
    186,187.59x = 256,640.13 × 125,738.91
  4. Step 4: Simplify right side
    186,187.59x = 32,269,650,208.46
  5. Step 5: Solve for x
    x = 32,269,650,208.46/186,187.59
  6. Step 6: Final answer
    x = 173,317.94

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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.