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Finding the Fourth Proportional to 219,266.51, 328,872.42 and 61,507.26

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Solution

The fourth proportional to 219,266.51, 328,872.42 and 61,507.26 is: 92,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,266.51 : 328,872.42 = 61,507.26 : x
  2. Step 2: Convert to fraction form
    219,266.51/328,872.42 = 61,507.26/x
  3. Step 3: Cross multiply
    219,266.51x = 328,872.42 × 61,507.26
  4. Step 4: Simplify right side
    219,266.51x = 20,228,041,443.77
  5. Step 5: Solve for x
    x = 20,228,041,443.77/219,266.51
  6. Step 6: Final answer
    x = 92,253.22

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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.