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Finding the Fourth Proportional to 373,313.70, 559,970.55 and 92,830.95

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Solution

The fourth proportional to 373,313.70, 559,970.55 and 92,830.95 is: 139,246.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,313.70 : 559,970.55 = 92,830.95 : x
  2. Step 2: Convert to fraction form
    373,313.70/559,970.55 = 92,830.95/x
  3. Step 3: Cross multiply
    373,313.70x = 559,970.55 × 92,830.95
  4. Step 4: Simplify right side
    373,313.70x = 51,982,598,128.52
  5. Step 5: Solve for x
    x = 51,982,598,128.52/373,313.70
  6. Step 6: Final answer
    x = 139,246.43

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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.