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Finding the Fourth Proportional to 170,650.84, 256,042.80 and 70,785.76

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Solution

The fourth proportional to 170,650.84, 256,042.80 and 70,785.76 is: 106,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,650.84 : 256,042.80 = 70,785.76 : x
  2. Step 2: Convert to fraction form
    170,650.84/256,042.80 = 70,785.76/x
  3. Step 3: Cross multiply
    170,650.84x = 256,042.80 × 70,785.76
  4. Step 4: Simplify right side
    170,650.84x = 18,124,184,190.53
  5. Step 5: Solve for x
    x = 18,124,184,190.53/170,650.84
  6. Step 6: Final answer
    x = 106,206.24

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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.