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Finding the Fourth Proportional to 237,586.76, 356,402.66 and 66,808.10

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Solution

The fourth proportional to 237,586.76, 356,402.66 and 66,808.10 is: 100,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,586.76 : 356,402.66 = 66,808.10 : x
  2. Step 2: Convert to fraction form
    237,586.76/356,402.66 = 66,808.10/x
  3. Step 3: Cross multiply
    237,586.76x = 356,402.66 × 66,808.10
  4. Step 4: Simplify right side
    237,586.76x = 23,810,584,549.55
  5. Step 5: Solve for x
    x = 23,810,584,549.55/237,586.76
  6. Step 6: Final answer
    x = 100,218.48

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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.