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Finding the Fourth Proportional to 272,247.68, 375,646.47 and 159,048.56

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Solution

The fourth proportional to 272,247.68, 375,646.47 and 159,048.56 is: 219,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,247.68 : 375,646.47 = 159,048.56 : x
  2. Step 2: Convert to fraction form
    272,247.68/375,646.47 = 159,048.56/x
  3. Step 3: Cross multiply
    272,247.68x = 375,646.47 × 159,048.56
  4. Step 4: Simplify right side
    272,247.68x = 59,746,030,122.58
  5. Step 5: Solve for x
    x = 59,746,030,122.58/272,247.68
  6. Step 6: Final answer
    x = 219,454.69

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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.