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Finding the Fourth Proportional to 186,099.66, 256,820.22 and 101,216.97

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Solution

The fourth proportional to 186,099.66, 256,820.22 and 101,216.97 is: 139,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,099.66 : 256,820.22 = 101,216.97 : x
  2. Step 2: Convert to fraction form
    186,099.66/256,820.22 = 101,216.97/x
  3. Step 3: Cross multiply
    186,099.66x = 256,820.22 × 101,216.97
  4. Step 4: Simplify right side
    186,099.66x = 25,994,564,503.13
  5. Step 5: Solve for x
    x = 25,994,564,503.13/186,099.66
  6. Step 6: Final answer
    x = 139,680.88

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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.