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Finding the Fourth Proportional to 219,704.13, 329,654.66 and 101,312.01

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Solution

The fourth proportional to 219,704.13, 329,654.66 and 101,312.01 is: 152,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,704.13 : 329,654.66 = 101,312.01 : x
  2. Step 2: Convert to fraction form
    219,704.13/329,654.66 = 101,312.01/x
  3. Step 3: Cross multiply
    219,704.13x = 329,654.66 × 101,312.01
  4. Step 4: Simplify right side
    219,704.13x = 33,397,975,703.91
  5. Step 5: Solve for x
    x = 33,397,975,703.91/219,704.13
  6. Step 6: Final answer
    x = 152,013.42

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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.