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Finding the Fourth Proportional to 183,967.88, 253,686.65 and 153,741.92

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Solution

The fourth proportional to 183,967.88, 253,686.65 and 153,741.92 is: 212,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,967.88 : 253,686.65 = 153,741.92 : x
  2. Step 2: Convert to fraction form
    183,967.88/253,686.65 = 153,741.92/x
  3. Step 3: Cross multiply
    183,967.88x = 253,686.65 × 153,741.92
  4. Step 4: Simplify right side
    183,967.88x = 39,002,273,667.94
  5. Step 5: Solve for x
    x = 39,002,273,667.94/183,967.88
  6. Step 6: Final answer
    x = 212,005.88

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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.