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Finding the Fourth Proportional to 92,825.99, 128,099.97 and 50,384.51

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Solution

The fourth proportional to 92,825.99, 128,099.97 and 50,384.51 is: 69,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,825.99 : 128,099.97 = 50,384.51 : x
  2. Step 2: Convert to fraction form
    92,825.99/128,099.97 = 50,384.51/x
  3. Step 3: Cross multiply
    92,825.99x = 128,099.97 × 50,384.51
  4. Step 4: Simplify right side
    92,825.99x = 6,454,254,219.46
  5. Step 5: Solve for x
    x = 6,454,254,219.46/92,825.99
  6. Step 6: Final answer
    x = 69,530.68

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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.