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Finding the Fourth Proportional to 270,159.76, 372,827.90 and 149,308.86

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Solution

The fourth proportional to 270,159.76, 372,827.90 and 149,308.86 is: 206,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,159.76 : 372,827.90 = 149,308.86 : x
  2. Step 2: Convert to fraction form
    270,159.76/372,827.90 = 149,308.86/x
  3. Step 3: Cross multiply
    270,159.76x = 372,827.90 × 149,308.86
  4. Step 4: Simplify right side
    270,159.76x = 55,666,508,725.19
  5. Step 5: Solve for x
    x = 55,666,508,725.19/270,159.76
  6. Step 6: Final answer
    x = 206,050.33

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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.