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Finding the Fourth Proportional to 93,382.68, 128,868.82 and 50,940.30

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Solution

The fourth proportional to 93,382.68, 128,868.82 and 50,940.30 is: 70,298.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,382.68 : 128,868.82 = 50,940.30 : x
  2. Step 2: Convert to fraction form
    93,382.68/128,868.82 = 50,940.30/x
  3. Step 3: Cross multiply
    93,382.68x = 128,868.82 × 50,940.30
  4. Step 4: Simplify right side
    93,382.68x = 6,564,616,351.45
  5. Step 5: Solve for x
    x = 6,564,616,351.45/93,382.68
  6. Step 6: Final answer
    x = 70,298.01

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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.