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Finding the Fourth Proportional to 172,957.46, 259,436.19 and 133,572.02

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Solution

The fourth proportional to 172,957.46, 259,436.19 and 133,572.02 is: 200,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,957.46 : 259,436.19 = 133,572.02 : x
  2. Step 2: Convert to fraction form
    172,957.46/259,436.19 = 133,572.02/x
  3. Step 3: Cross multiply
    172,957.46x = 259,436.19 × 133,572.02
  4. Step 4: Simplify right side
    172,957.46x = 34,653,415,959.40
  5. Step 5: Solve for x
    x = 34,653,415,959.40/172,957.46
  6. Step 6: Final answer
    x = 200,358.03

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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.