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Finding the Fourth Proportional to 244,647.90, 366,971.85 and 104,420.70

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Solution

The fourth proportional to 244,647.90, 366,971.85 and 104,420.70 is: 156,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,647.90 : 366,971.85 = 104,420.70 : x
  2. Step 2: Convert to fraction form
    244,647.90/366,971.85 = 104,420.70/x
  3. Step 3: Cross multiply
    244,647.90x = 366,971.85 × 104,420.70
  4. Step 4: Simplify right side
    244,647.90x = 38,319,457,457.30
  5. Step 5: Solve for x
    x = 38,319,457,457.30/244,647.90
  6. Step 6: Final answer
    x = 156,631.05

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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.