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Finding the Fourth Proportional to 93,452.16, 128,963.94 and 51,010.71

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Solution

The fourth proportional to 93,452.16, 128,963.94 and 51,010.71 is: 70,394.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,452.16 : 128,963.94 = 51,010.71 : x
  2. Step 2: Convert to fraction form
    93,452.16/128,963.94 = 51,010.71/x
  3. Step 3: Cross multiply
    93,452.16x = 128,963.94 × 51,010.71
  4. Step 4: Simplify right side
    93,452.16x = 6,578,542,143.80
  5. Step 5: Solve for x
    x = 6,578,542,143.80/93,452.16
  6. Step 6: Final answer
    x = 70,394.76

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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.