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Finding the Fourth Proportional to 186,199.92, 256,956.48 and 101,317.08

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Solution

The fourth proportional to 186,199.92, 256,956.48 and 101,317.08 is: 139,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,199.92 : 256,956.48 = 101,317.08 : x
  2. Step 2: Convert to fraction form
    186,199.92/256,956.48 = 101,317.08/x
  3. Step 3: Cross multiply
    186,199.92x = 256,956.48 × 101,317.08
  4. Step 4: Simplify right side
    186,199.92x = 26,034,080,240.68
  5. Step 5: Solve for x
    x = 26,034,080,240.68/186,199.92
  6. Step 6: Final answer
    x = 139,817.89

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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.