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Finding the Fourth Proportional to 237,334.64, 356,032.96 and 87,679.76

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Solution

The fourth proportional to 237,334.64, 356,032.96 and 87,679.76 is: 131,531.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,334.64 : 356,032.96 = 87,679.76 : x
  2. Step 2: Convert to fraction form
    237,334.64/356,032.96 = 87,679.76/x
  3. Step 3: Cross multiply
    237,334.64x = 356,032.96 × 87,679.76
  4. Step 4: Simplify right side
    237,334.64x = 31,216,884,484.89
  5. Step 5: Solve for x
    x = 31,216,884,484.89/237,334.64
  6. Step 6: Final answer
    x = 131,531.09

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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.