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Finding the Fourth Proportional to 93,183.75, 128,585.48 and 52,899.21

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Solution

The fourth proportional to 93,183.75, 128,585.48 and 52,899.21 is: 72,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,183.75 : 128,585.48 = 52,899.21 : x
  2. Step 2: Convert to fraction form
    93,183.75/128,585.48 = 52,899.21/x
  3. Step 3: Cross multiply
    93,183.75x = 128,585.48 × 52,899.21
  4. Step 4: Simplify right side
    93,183.75x = 6,802,070,044.97
  5. Step 5: Solve for x
    x = 6,802,070,044.97/93,183.75
  6. Step 6: Final answer
    x = 72,996.31

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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.