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Finding the Fourth Proportional to 237,630.58, 356,370.51 and 77,670.34

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Solution

The fourth proportional to 237,630.58, 356,370.51 and 77,670.34 is: 116,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,630.58 : 356,370.51 = 77,670.34 : x
  2. Step 2: Convert to fraction form
    237,630.58/356,370.51 = 77,670.34/x
  3. Step 3: Cross multiply
    237,630.58x = 356,370.51 × 77,670.34
  4. Step 4: Simplify right side
    237,630.58x = 27,679,418,677.67
  5. Step 5: Solve for x
    x = 27,679,418,677.67/237,630.58
  6. Step 6: Final answer
    x = 116,480.88

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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.