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Finding the Fourth Proportional to 218,964.04, 328,446.06 and 52,752.04

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Solution

The fourth proportional to 218,964.04, 328,446.06 and 52,752.04 is: 79,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,964.04 : 328,446.06 = 52,752.04 : x
  2. Step 2: Convert to fraction form
    218,964.04/328,446.06 = 52,752.04/x
  3. Step 3: Cross multiply
    218,964.04x = 328,446.06 × 52,752.04
  4. Step 4: Simplify right side
    218,964.04x = 17,326,199,694.96
  5. Step 5: Solve for x
    x = 17,326,199,694.96/218,964.04
  6. Step 6: Final answer
    x = 79,128.06

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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.