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Finding the Fourth Proportional to 93,167.08, 128,613.90 and 54,914.56

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Solution

The fourth proportional to 93,167.08, 128,613.90 and 54,914.56 is: 75,807.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,167.08 : 128,613.90 = 54,914.56 : x
  2. Step 2: Convert to fraction form
    93,167.08/128,613.90 = 54,914.56/x
  3. Step 3: Cross multiply
    93,167.08x = 128,613.90 × 54,914.56
  4. Step 4: Simplify right side
    93,167.08x = 7,062,775,728.38
  5. Step 5: Solve for x
    x = 7,062,775,728.38/93,167.08
  6. Step 6: Final answer
    x = 75,807.63

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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.