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Finding the Fourth Proportional to 219,034.44, 328,554.11 and 69,271.11

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Solution

The fourth proportional to 219,034.44, 328,554.11 and 69,271.11 is: 103,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,034.44 : 328,554.11 = 69,271.11 : x
  2. Step 2: Convert to fraction form
    219,034.44/328,554.11 = 69,271.11/x
  3. Step 3: Cross multiply
    219,034.44x = 328,554.11 × 69,271.11
  4. Step 4: Simplify right side
    219,034.44x = 22,759,307,894.76
  5. Step 5: Solve for x
    x = 22,759,307,894.76/219,034.44
  6. Step 6: Final answer
    x = 103,907.44

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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.