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Finding the Fourth Proportional to 272,034.92, 375,378.90 and 151,148.90

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Solution

The fourth proportional to 272,034.92, 375,378.90 and 151,148.90 is: 208,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,034.92 : 375,378.90 = 151,148.90 : x
  2. Step 2: Convert to fraction form
    272,034.92/375,378.90 = 151,148.90/x
  3. Step 3: Cross multiply
    272,034.92x = 375,378.90 × 151,148.90
  4. Step 4: Simplify right side
    272,034.92x = 56,738,107,818.21
  5. Step 5: Solve for x
    x = 56,738,107,818.21/272,034.92
  6. Step 6: Final answer
    x = 208,569.21

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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.