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Finding the Fourth Proportional to 253,027.86, 349,167.96 and 151,069.92

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Solution

The fourth proportional to 253,027.86, 349,167.96 and 151,069.92 is: 208,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,027.86 : 349,167.96 = 151,069.92 : x
  2. Step 2: Convert to fraction form
    253,027.86/349,167.96 = 151,069.92/x
  3. Step 3: Cross multiply
    253,027.86x = 349,167.96 × 151,069.92
  4. Step 4: Simplify right side
    253,027.86x = 52,748,775,783.76
  5. Step 5: Solve for x
    x = 52,748,775,783.76/253,027.86
  6. Step 6: Final answer
    x = 208,470.23

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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.