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Finding the Fourth Proportional to 272,262.65, 375,667.40 and 159,063.53

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Solution

The fourth proportional to 272,262.65, 375,667.40 and 159,063.53 is: 219,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,262.65 : 375,667.40 = 159,063.53 : x
  2. Step 2: Convert to fraction form
    272,262.65/375,667.40 = 159,063.53/x
  3. Step 3: Cross multiply
    272,262.65x = 375,667.40 × 159,063.53
  4. Step 4: Simplify right side
    272,262.65x = 59,754,981,783.26
  5. Step 5: Solve for x
    x = 59,754,981,783.26/272,262.65
  6. Step 6: Final answer
    x = 219,475.50

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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.