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Finding the Fourth Proportional to 254,047.86, 381,023.16 and 127,653.10

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Solution

The fourth proportional to 254,047.86, 381,023.16 and 127,653.10 is: 191,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,047.86 : 381,023.16 = 127,653.10 : x
  2. Step 2: Convert to fraction form
    254,047.86/381,023.16 = 127,653.10/x
  3. Step 3: Cross multiply
    254,047.86x = 381,023.16 × 127,653.10
  4. Step 4: Simplify right side
    254,047.86x = 48,638,786,114.54
  5. Step 5: Solve for x
    x = 48,638,786,114.54/254,047.86
  6. Step 6: Final answer
    x = 191,455.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.