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Finding the Fourth Proportional to 93,206.62, 128,620.20 and 52,919.38

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Solution

The fourth proportional to 93,206.62, 128,620.20 and 52,919.38 is: 73,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,206.62 : 128,620.20 = 52,919.38 : x
  2. Step 2: Convert to fraction form
    93,206.62/128,620.20 = 52,919.38/x
  3. Step 3: Cross multiply
    93,206.62x = 128,620.20 × 52,919.38
  4. Step 4: Simplify right side
    93,206.62x = 6,806,501,239.48
  5. Step 5: Solve for x
    x = 6,806,501,239.48/93,206.62
  6. Step 6: Final answer
    x = 73,025.94

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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.