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Finding the Fourth Proportional to 272,265.65, 375,671.54 and 159,066.53

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Solution

The fourth proportional to 272,265.65, 375,671.54 and 159,066.53 is: 219,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,265.65 : 375,671.54 = 159,066.53 : x
  2. Step 2: Convert to fraction form
    272,265.65/375,671.54 = 159,066.53/x
  3. Step 3: Cross multiply
    272,265.65x = 375,671.54 × 159,066.53
  4. Step 4: Simplify right side
    272,265.65x = 59,756,768,287.56
  5. Step 5: Solve for x
    x = 59,756,768,287.56/272,265.65
  6. Step 6: Final answer
    x = 219,479.65

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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.