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Finding the Fourth Proportional to 93,331.82, 128,797.62 and 50,890.26

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Solution

The fourth proportional to 93,331.82, 128,797.62 and 50,890.26 is: 70,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,331.82 : 128,797.62 = 50,890.26 : x
  2. Step 2: Convert to fraction form
    93,331.82/128,797.62 = 50,890.26/x
  3. Step 3: Cross multiply
    93,331.82x = 128,797.62 × 50,890.26
  4. Step 4: Simplify right side
    93,331.82x = 6,554,544,369.18
  5. Step 5: Solve for x
    x = 6,554,544,369.18/93,331.82
  6. Step 6: Final answer
    x = 70,228.40

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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.