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Finding the Fourth Proportional to 97,039.80, 145,511.10 and 44,389.80

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Solution

The fourth proportional to 97,039.80, 145,511.10 and 44,389.80 is: 66,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,039.80 : 145,511.10 = 44,389.80 : x
  2. Step 2: Convert to fraction form
    97,039.80/145,511.10 = 44,389.80/x
  3. Step 3: Cross multiply
    97,039.80x = 145,511.10 × 44,389.80
  4. Step 4: Simplify right side
    97,039.80x = 6,459,208,626.78
  5. Step 5: Solve for x
    x = 6,459,208,626.78/97,039.80
  6. Step 6: Final answer
    x = 66,562.47

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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.