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Finding the Fourth Proportional to 73,165.59, 100,966.45 and 42,950.43

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Solution

The fourth proportional to 73,165.59, 100,966.45 and 42,950.43 is: 59,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,165.59 : 100,966.45 = 42,950.43 : x
  2. Step 2: Convert to fraction form
    73,165.59/100,966.45 = 42,950.43/x
  3. Step 3: Cross multiply
    73,165.59x = 100,966.45 × 42,950.43
  4. Step 4: Simplify right side
    73,165.59x = 4,336,552,676.66
  5. Step 5: Solve for x
    x = 4,336,552,676.66/73,165.59
  6. Step 6: Final answer
    x = 59,270.38

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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.