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Finding the Fourth Proportional to 184,570.78, 254,707.68 and 99,687.88

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Solution

The fourth proportional to 184,570.78, 254,707.68 and 99,687.88 is: 137,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,570.78 : 254,707.68 = 99,687.88 : x
  2. Step 2: Convert to fraction form
    184,570.78/254,707.68 = 99,687.88/x
  3. Step 3: Cross multiply
    184,570.78x = 254,707.68 × 99,687.88
  4. Step 4: Simplify right side
    184,570.78x = 25,391,268,638.92
  5. Step 5: Solve for x
    x = 25,391,268,638.92/184,570.78
  6. Step 6: Final answer
    x = 137,569.28

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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.