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Finding the Fourth Proportional to 186,164.44, 256,904.10 and 101,279.56

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Solution

The fourth proportional to 186,164.44, 256,904.10 and 101,279.56 is: 139,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,164.44 : 256,904.10 = 101,279.56 : x
  2. Step 2: Convert to fraction form
    186,164.44/256,904.10 = 101,279.56/x
  3. Step 3: Cross multiply
    186,164.44x = 256,904.10 × 101,279.56
  4. Step 4: Simplify right side
    186,164.44x = 26,019,134,210.20
  5. Step 5: Solve for x
    x = 26,019,134,210.20/186,164.44
  6. Step 6: Final answer
    x = 139,764.25

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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.