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Finding the Fourth Proportional to 437,510.67, 656,266.05 and 105,086.67

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Solution

The fourth proportional to 437,510.67, 656,266.05 and 105,086.67 is: 157,630.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,510.67 : 656,266.05 = 105,086.67 : x
  2. Step 2: Convert to fraction form
    437,510.67/656,266.05 = 105,086.67/x
  3. Step 3: Cross multiply
    437,510.67x = 656,266.05 × 105,086.67
  4. Step 4: Simplify right side
    437,510.67x = 68,964,813,828.55
  5. Step 5: Solve for x
    x = 68,964,813,828.55/437,510.67
  6. Step 6: Final answer
    x = 157,630.02

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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.