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Finding the Fourth Proportional to 272,063.52, 375,404.76 and 157,299.48

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Solution

The fourth proportional to 272,063.52, 375,404.76 and 157,299.48 is: 217,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,063.52 : 375,404.76 = 157,299.48 : x
  2. Step 2: Convert to fraction form
    272,063.52/375,404.76 = 157,299.48/x
  3. Step 3: Cross multiply
    272,063.52x = 375,404.76 × 157,299.48
  4. Step 4: Simplify right side
    272,063.52x = 59,050,973,537.52
  5. Step 5: Solve for x
    x = 59,050,973,537.52/272,063.52
  6. Step 6: Final answer
    x = 217,048.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.