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Finding the Fourth Proportional to 186,703.32, 278,864.45 and 168,906.44

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Solution

The fourth proportional to 186,703.32, 278,864.45 and 168,906.44 is: 252,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,703.32 : 278,864.45 = 168,906.44 : x
  2. Step 2: Convert to fraction form
    186,703.32/278,864.45 = 168,906.44/x
  3. Step 3: Cross multiply
    186,703.32x = 278,864.45 × 168,906.44
  4. Step 4: Simplify right side
    186,703.32x = 47,102,001,492.06
  5. Step 5: Solve for x
    x = 47,102,001,492.06/186,703.32
  6. Step 6: Final answer
    x = 252,282.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.