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Finding the Fourth Proportional to 168,508.31, 232,541.43 and 93,056.81

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Solution

The fourth proportional to 168,508.31, 232,541.43 and 93,056.81 is: 128,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,508.31 : 232,541.43 = 93,056.81 : x
  2. Step 2: Convert to fraction form
    168,508.31/232,541.43 = 93,056.81/x
  3. Step 3: Cross multiply
    168,508.31x = 232,541.43 × 93,056.81
  4. Step 4: Simplify right side
    168,508.31x = 21,639,563,668.64
  5. Step 5: Solve for x
    x = 21,639,563,668.64/168,508.31
  6. Step 6: Final answer
    x = 128,418.38

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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.