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Finding the Fourth Proportional to 186,167.60, 256,903.92 and 101,282.84

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Solution

The fourth proportional to 186,167.60, 256,903.92 and 101,282.84 is: 139,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,167.60 : 256,903.92 = 101,282.84 : x
  2. Step 2: Convert to fraction form
    186,167.60/256,903.92 = 101,282.84/x
  3. Step 3: Cross multiply
    186,167.60x = 256,903.92 × 101,282.84
  4. Step 4: Simplify right side
    186,167.60x = 26,019,958,624.73
  5. Step 5: Solve for x
    x = 26,019,958,624.73/186,167.60
  6. Step 6: Final answer
    x = 139,766.31

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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.