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Finding the Fourth Proportional to 168,728.40, 232,826.76 and 93,262.32

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Solution

The fourth proportional to 168,728.40, 232,826.76 and 93,262.32 is: 128,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,728.40 : 232,826.76 = 93,262.32 : x
  2. Step 2: Convert to fraction form
    168,728.40/232,826.76 = 93,262.32/x
  3. Step 3: Cross multiply
    168,728.40x = 232,826.76 × 93,262.32
  4. Step 4: Simplify right side
    168,728.40x = 21,713,963,795.68
  5. Step 5: Solve for x
    x = 21,713,963,795.68/168,728.40
  6. Step 6: Final answer
    x = 128,691.81

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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.