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Finding the Fourth Proportional to 270,054.64, 372,675.42 and 156,884.68

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Solution

The fourth proportional to 270,054.64, 372,675.42 and 156,884.68 is: 216,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,054.64 : 372,675.42 = 156,884.68 : x
  2. Step 2: Convert to fraction form
    270,054.64/372,675.42 = 156,884.68/x
  3. Step 3: Cross multiply
    270,054.64x = 372,675.42 × 156,884.68
  4. Step 4: Simplify right side
    270,054.64x = 58,467,064,010.57
  5. Step 5: Solve for x
    x = 58,467,064,010.57/270,054.64
  6. Step 6: Final answer
    x = 216,500.87

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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.