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Finding the Fourth Proportional to 168,168.51, 252,209.79 and 49,812.17

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Solution

The fourth proportional to 168,168.51, 252,209.79 and 49,812.17 is: 74,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,168.51 : 252,209.79 = 49,812.17 : x
  2. Step 2: Convert to fraction form
    168,168.51/252,209.79 = 49,812.17/x
  3. Step 3: Cross multiply
    168,168.51x = 252,209.79 × 49,812.17
  4. Step 4: Simplify right side
    168,168.51x = 12,563,115,674.10
  5. Step 5: Solve for x
    x = 12,563,115,674.10/168,168.51
  6. Step 6: Final answer
    x = 74,705.52

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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.