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Finding the Fourth Proportional to 154,594.62, 232,944.95 and 127,129.86

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Solution

The fourth proportional to 154,594.62, 232,944.95 and 127,129.86 is: 191,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,594.62 : 232,944.95 = 127,129.86 : x
  2. Step 2: Convert to fraction form
    154,594.62/232,944.95 = 127,129.86/x
  3. Step 3: Cross multiply
    154,594.62x = 232,944.95 × 127,129.86
  4. Step 4: Simplify right side
    154,594.62x = 29,614,259,199.03
  5. Step 5: Solve for x
    x = 29,614,259,199.03/154,594.62
  6. Step 6: Final answer
    x = 191,560.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.