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Finding the Fourth Proportional to 168,356.70, 232,337.14 and 91,880.71

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Solution

The fourth proportional to 168,356.70, 232,337.14 and 91,880.71 is: 126,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,356.70 : 232,337.14 = 91,880.71 : x
  2. Step 2: Convert to fraction form
    168,356.70/232,337.14 = 91,880.71/x
  3. Step 3: Cross multiply
    168,356.70x = 232,337.14 × 91,880.71
  4. Step 4: Simplify right side
    168,356.70x = 21,347,302,223.47
  5. Step 5: Solve for x
    x = 21,347,302,223.47/168,356.70
  6. Step 6: Final answer
    x = 126,798.06

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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.