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Finding the Fourth Proportional to 173,219.64, 258,228.29 and 170,489.78

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Solution

The fourth proportional to 173,219.64, 258,228.29 and 170,489.78 is: 254,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,219.64 : 258,228.29 = 170,489.78 : x
  2. Step 2: Convert to fraction form
    173,219.64/258,228.29 = 170,489.78/x
  3. Step 3: Cross multiply
    173,219.64x = 258,228.29 × 170,489.78
  4. Step 4: Simplify right side
    173,219.64x = 44,025,282,634.51
  5. Step 5: Solve for x
    x = 44,025,282,634.51/173,219.64
  6. Step 6: Final answer
    x = 254,158.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.