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Finding the Fourth Proportional to 69,127.52, 103,669.64 and 22,370.72

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Solution

The fourth proportional to 69,127.52, 103,669.64 and 22,370.72 is: 33,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,127.52 : 103,669.64 = 22,370.72 : x
  2. Step 2: Convert to fraction form
    69,127.52/103,669.64 = 22,370.72/x
  3. Step 3: Cross multiply
    69,127.52x = 103,669.64 × 22,370.72
  4. Step 4: Simplify right side
    69,127.52x = 2,319,164,488.94
  5. Step 5: Solve for x
    x = 2,319,164,488.94/69,127.52
  6. Step 6: Final answer
    x = 33,549.08

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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.