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Finding the Fourth Proportional to 154,960.56, 232,410.18 and 42,611.79

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Solution

The fourth proportional to 154,960.56, 232,410.18 and 42,611.79 is: 63,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,960.56 : 232,410.18 = 42,611.79 : x
  2. Step 2: Convert to fraction form
    154,960.56/232,410.18 = 42,611.79/x
  3. Step 3: Cross multiply
    154,960.56x = 232,410.18 × 42,611.79
  4. Step 4: Simplify right side
    154,960.56x = 9,903,413,784.02
  5. Step 5: Solve for x
    x = 9,903,413,784.02/154,960.56
  6. Step 6: Final answer
    x = 63,909.25

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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.