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Finding the Fourth Proportional to 96,945.80, 145,370.10 and 44,295.80

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Solution

The fourth proportional to 96,945.80, 145,370.10 and 44,295.80 is: 66,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,945.80 : 145,370.10 = 44,295.80 : x
  2. Step 2: Convert to fraction form
    96,945.80/145,370.10 = 44,295.80/x
  3. Step 3: Cross multiply
    96,945.80x = 145,370.10 × 44,295.80
  4. Step 4: Simplify right side
    96,945.80x = 6,439,284,875.58
  5. Step 5: Solve for x
    x = 6,439,284,875.58/96,945.80
  6. Step 6: Final answer
    x = 66,421.49

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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.