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Finding the Fourth Proportional to 96,172.98, 144,130.50 and 74,851.44

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Solution

The fourth proportional to 96,172.98, 144,130.50 and 74,851.44 is: 112,176.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,172.98 : 144,130.50 = 74,851.44 : x
  2. Step 2: Convert to fraction form
    96,172.98/144,130.50 = 74,851.44/x
  3. Step 3: Cross multiply
    96,172.98x = 144,130.50 × 74,851.44
  4. Step 4: Simplify right side
    96,172.98x = 10,788,375,472.92
  5. Step 5: Solve for x
    x = 10,788,375,472.92/96,172.98
  6. Step 6: Final answer
    x = 112,176.79

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1.5x scale

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.