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Finding the Fourth Proportional to 171,029.70, 256,544.55 and 147,701.70

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Solution

The fourth proportional to 171,029.70, 256,544.55 and 147,701.70 is: 221,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,029.70 : 256,544.55 = 147,701.70 : x
  2. Step 2: Convert to fraction form
    171,029.70/256,544.55 = 147,701.70/x
  3. Step 3: Cross multiply
    171,029.70x = 256,544.55 × 147,701.70
  4. Step 4: Simplify right side
    171,029.70x = 37,892,066,160.74
  5. Step 5: Solve for x
    x = 37,892,066,160.74/171,029.70
  6. Step 6: Final answer
    x = 221,552.55

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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.