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Finding the Fourth Proportional to 252,033.96, 378,482.38 and 168,332

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Solution

The fourth proportional to 252,033.96, 378,482.38 and 168,332 is: 252,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,033.96 : 378,482.38 = 168,332 : x
  2. Step 2: Convert to fraction form
    252,033.96/378,482.38 = 168,332/x
  3. Step 3: Cross multiply
    252,033.96x = 378,482.38 × 168,332
  4. Step 4: Simplify right side
    252,033.96x = 63,710,695,990.16
  5. Step 5: Solve for x
    x = 63,710,695,990.16/252,033.96
  6. Step 6: Final answer
    x = 252,786.16

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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.