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Finding the Fourth Proportional to 248,005.52, 371,952.24 and 70,508.64

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Solution

The fourth proportional to 248,005.52, 371,952.24 and 70,508.64 is: 105,747.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,005.52 : 371,952.24 = 70,508.64 : x
  2. Step 2: Convert to fraction form
    248,005.52/371,952.24 = 70,508.64/x
  3. Step 3: Cross multiply
    248,005.52x = 371,952.24 × 70,508.64
  4. Step 4: Simplify right side
    248,005.52x = 26,225,846,587.35
  5. Step 5: Solve for x
    x = 26,225,846,587.35/248,005.52
  6. Step 6: Final answer
    x = 105,747.03

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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.