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Finding the Fourth Proportional to 154,951.56, 232,396.71 and 42,602.79

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Solution

The fourth proportional to 154,951.56, 232,396.71 and 42,602.79 is: 63,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,951.56 : 232,396.71 = 42,602.79 : x
  2. Step 2: Convert to fraction form
    154,951.56/232,396.71 = 42,602.79/x
  3. Step 3: Cross multiply
    154,951.56x = 232,396.71 × 42,602.79
  4. Step 4: Simplify right side
    154,951.56x = 9,900,748,232.82
  5. Step 5: Solve for x
    x = 9,900,748,232.82/154,951.56
  6. Step 6: Final answer
    x = 63,895.76

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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.