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Finding the Fourth Proportional to 172,443.88, 237,970.24 and 96,992.40

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Solution

The fourth proportional to 172,443.88, 237,970.24 and 96,992.40 is: 133,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,443.88 : 237,970.24 = 96,992.40 : x
  2. Step 2: Convert to fraction form
    172,443.88/237,970.24 = 96,992.40/x
  3. Step 3: Cross multiply
    172,443.88x = 237,970.24 × 96,992.40
  4. Step 4: Simplify right side
    172,443.88x = 23,081,304,706.18
  5. Step 5: Solve for x
    x = 23,081,304,706.18/172,443.88
  6. Step 6: Final answer
    x = 133,848.21

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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.