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Finding the Fourth Proportional to 96,916.80, 145,326.60 and 44,266.80

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Solution

The fourth proportional to 96,916.80, 145,326.60 and 44,266.80 is: 66,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,916.80 : 145,326.60 = 44,266.80 : x
  2. Step 2: Convert to fraction form
    96,916.80/145,326.60 = 44,266.80/x
  3. Step 3: Cross multiply
    96,916.80x = 145,326.60 × 44,266.80
  4. Step 4: Simplify right side
    96,916.80x = 6,433,143,536.88
  5. Step 5: Solve for x
    x = 6,433,143,536.88/96,916.80
  6. Step 6: Final answer
    x = 66,378.00

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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.