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Finding the Fourth Proportional to 168,359.28, 232,335 and 92,912.40

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Solution

The fourth proportional to 168,359.28, 232,335 and 92,912.40 is: 128,218.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,359.28 : 232,335 = 92,912.40 : x
  2. Step 2: Convert to fraction form
    168,359.28/232,335 = 92,912.40/x
  3. Step 3: Cross multiply
    168,359.28x = 232,335 × 92,912.40
  4. Step 4: Simplify right side
    168,359.28x = 21,586,802,454
  5. Step 5: Solve for x
    x = 21,586,802,454/168,359.28
  6. Step 6: Final answer
    x = 128,218.67

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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.