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Finding the Fourth Proportional to 237,693.21, 356,679.98 and 88,038.63

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Solution

The fourth proportional to 237,693.21, 356,679.98 and 88,038.63 is: 132,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,693.21 : 356,679.98 = 88,038.63 : x
  2. Step 2: Convert to fraction form
    237,693.21/356,679.98 = 88,038.63/x
  3. Step 3: Cross multiply
    237,693.21x = 356,679.98 × 88,038.63
  4. Step 4: Simplify right side
    237,693.21x = 31,401,614,564.03
  5. Step 5: Solve for x
    x = 31,401,614,564.03/237,693.21
  6. Step 6: Final answer
    x = 132,109.85

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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.