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Finding the Fourth Proportional to 168,434, 232,436.04 and 92,980.88

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Solution

The fourth proportional to 168,434, 232,436.04 and 92,980.88 is: 128,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,434 : 232,436.04 = 92,980.88 : x
  2. Step 2: Convert to fraction form
    168,434/232,436.04 = 92,980.88/x
  3. Step 3: Cross multiply
    168,434x = 232,436.04 × 92,980.88
  4. Step 4: Simplify right side
    168,434x = 21,612,107,542.92
  5. Step 5: Solve for x
    x = 21,612,107,542.92/168,434
  6. Step 6: Final answer
    x = 128,312.02

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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.