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Finding the Fourth Proportional to 272,304.86, 375,751.90 and 151,426.60

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Solution

The fourth proportional to 272,304.86, 375,751.90 and 151,426.60 is: 208,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,304.86 : 375,751.90 = 151,426.60 : x
  2. Step 2: Convert to fraction form
    272,304.86/375,751.90 = 151,426.60/x
  3. Step 3: Cross multiply
    272,304.86x = 375,751.90 × 151,426.60
  4. Step 4: Simplify right side
    272,304.86x = 56,898,832,660.54
  5. Step 5: Solve for x
    x = 56,898,832,660.54/272,304.86
  6. Step 6: Final answer
    x = 208,952.69

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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.