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Finding the Fourth Proportional to 252,337.65, 378,664.05 and 168,156.88

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Solution

The fourth proportional to 252,337.65, 378,664.05 and 168,156.88 is: 252,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,337.65 : 378,664.05 = 168,156.88 : x
  2. Step 2: Convert to fraction form
    252,337.65/378,664.05 = 168,156.88/x
  3. Step 3: Cross multiply
    252,337.65x = 378,664.05 × 168,156.88
  4. Step 4: Simplify right side
    252,337.65x = 63,674,963,954.21
  5. Step 5: Solve for x
    x = 63,674,963,954.21/252,337.65
  6. Step 6: Final answer
    x = 252,340.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.