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Finding the Fourth Proportional to 185,559.68, 256,069.16 and 112,936.32

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Solution

The fourth proportional to 185,559.68, 256,069.16 and 112,936.32 is: 155,850.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,559.68 : 256,069.16 = 112,936.32 : x
  2. Step 2: Convert to fraction form
    185,559.68/256,069.16 = 112,936.32/x
  3. Step 3: Cross multiply
    185,559.68x = 256,069.16 × 112,936.32
  4. Step 4: Simplify right side
    185,559.68x = 28,919,508,595.89
  5. Step 5: Solve for x
    x = 28,919,508,595.89/185,559.68
  6. Step 6: Final answer
    x = 155,850.17

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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.