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Finding the Fourth Proportional to 93,199.68, 128,613.42 and 50,757.30

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Solution

The fourth proportional to 93,199.68, 128,613.42 and 50,757.30 is: 70,043.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,199.68 : 128,613.42 = 50,757.30 : x
  2. Step 2: Convert to fraction form
    93,199.68/128,613.42 = 50,757.30/x
  3. Step 3: Cross multiply
    93,199.68x = 128,613.42 × 50,757.30
  4. Step 4: Simplify right side
    93,199.68x = 6,528,069,942.97
  5. Step 5: Solve for x
    x = 6,528,069,942.97/93,199.68
  6. Step 6: Final answer
    x = 70,043.91

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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.