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Finding the Fourth Proportional to 75,078.52, 103,598.12 and 44,857.46

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Solution

The fourth proportional to 75,078.52, 103,598.12 and 44,857.46 is: 61,897.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,078.52 : 103,598.12 = 44,857.46 : x
  2. Step 2: Convert to fraction form
    75,078.52/103,598.12 = 44,857.46/x
  3. Step 3: Cross multiply
    75,078.52x = 103,598.12 × 44,857.46
  4. Step 4: Simplify right side
    75,078.52x = 4,647,148,523.98
  5. Step 5: Solve for x
    x = 4,647,148,523.98/75,078.52
  6. Step 6: Final answer
    x = 61,897.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.