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Finding the Fourth Proportional to 186,188.34, 256,932.27 and 101,305.44

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Solution

The fourth proportional to 186,188.34, 256,932.27 and 101,305.44 is: 139,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,188.34 : 256,932.27 = 101,305.44 : x
  2. Step 2: Convert to fraction form
    186,188.34/256,932.27 = 101,305.44/x
  3. Step 3: Cross multiply
    186,188.34x = 256,932.27 × 101,305.44
  4. Step 4: Simplify right side
    186,188.34x = 26,028,636,662.55
  5. Step 5: Solve for x
    x = 26,028,636,662.55/186,188.34
  6. Step 6: Final answer
    x = 139,797.35

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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.