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Finding the Fourth Proportional to 219,484.08, 329,223.72 and 53,272.08

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Solution

The fourth proportional to 219,484.08, 329,223.72 and 53,272.08 is: 79,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,484.08 : 329,223.72 = 53,272.08 : x
  2. Step 2: Convert to fraction form
    219,484.08/329,223.72 = 53,272.08/x
  3. Step 3: Cross multiply
    219,484.08x = 329,223.72 × 53,272.08
  4. Step 4: Simplify right side
    219,484.08x = 17,538,432,349.74
  5. Step 5: Solve for x
    x = 17,538,432,349.74/219,484.08
  6. Step 6: Final answer
    x = 79,907.54

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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.