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Finding the Fourth Proportional to 168,168, 232,071.84 and 92,718.08

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Solution

The fourth proportional to 168,168, 232,071.84 and 92,718.08 is: 127,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,168 : 232,071.84 = 92,718.08 : x
  2. Step 2: Convert to fraction form
    168,168/232,071.84 = 92,718.08/x
  3. Step 3: Cross multiply
    168,168x = 232,071.84 × 92,718.08
  4. Step 4: Simplify right side
    168,168x = 21,517,255,426.87
  5. Step 5: Solve for x
    x = 21,517,255,426.87/168,168
  6. Step 6: Final answer
    x = 127,950.95

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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.