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Finding the Fourth Proportional to 254,864, 351,712.72 and 141,686.76

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Solution

The fourth proportional to 254,864, 351,712.72 and 141,686.76 is: 195,527.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,864 : 351,712.72 = 141,686.76 : x
  2. Step 2: Convert to fraction form
    254,864/351,712.72 = 141,686.76/x
  3. Step 3: Cross multiply
    254,864x = 351,712.72 × 141,686.76
  4. Step 4: Simplify right side
    254,864x = 49,833,035,747.59
  5. Step 5: Solve for x
    x = 49,833,035,747.59/254,864
  6. Step 6: Final answer
    x = 195,527.95

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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.