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Finding the Fourth Proportional to 170,925.66, 256,443.84 and 82,167.63

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Solution

The fourth proportional to 170,925.66, 256,443.84 and 82,167.63 is: 123,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,925.66 : 256,443.84 = 82,167.63 : x
  2. Step 2: Convert to fraction form
    170,925.66/256,443.84 = 82,167.63/x
  3. Step 3: Cross multiply
    170,925.66x = 256,443.84 × 82,167.63
  4. Step 4: Simplify right side
    170,925.66x = 21,071,381,599.23
  5. Step 5: Solve for x
    x = 21,071,381,599.23/170,925.66
  6. Step 6: Final answer
    x = 123,278.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.