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Finding the Fourth Proportional to 150,376.62, 207,046.32 and 127,670.70

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Solution

The fourth proportional to 150,376.62, 207,046.32 and 127,670.70 is: 175,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,376.62 : 207,046.32 = 127,670.70 : x
  2. Step 2: Convert to fraction form
    150,376.62/207,046.32 = 127,670.70/x
  3. Step 3: Cross multiply
    150,376.62x = 207,046.32 × 127,670.70
  4. Step 4: Simplify right side
    150,376.62x = 26,433,748,606.82
  5. Step 5: Solve for x
    x = 26,433,748,606.82/150,376.62
  6. Step 6: Final answer
    x = 175,783.63

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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.