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Finding the Fourth Proportional to 73,384.79, 101,315.21 and 50,451.66

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Solution

The fourth proportional to 73,384.79, 101,315.21 and 50,451.66 is: 69,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,384.79 : 101,315.21 = 50,451.66 : x
  2. Step 2: Convert to fraction form
    73,384.79/101,315.21 = 50,451.66/x
  3. Step 3: Cross multiply
    73,384.79x = 101,315.21 × 50,451.66
  4. Step 4: Simplify right side
    73,384.79x = 5,111,520,275.49
  5. Step 5: Solve for x
    x = 5,111,520,275.49/73,384.79
  6. Step 6: Final answer
    x = 69,653.68

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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.