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Finding the Fourth Proportional to 172,599.41, 258,938.34 and 52,667.09

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Solution

The fourth proportional to 172,599.41, 258,938.34 and 52,667.09 is: 79,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,599.41 : 258,938.34 = 52,667.09 : x
  2. Step 2: Convert to fraction form
    172,599.41/258,938.34 = 52,667.09/x
  3. Step 3: Cross multiply
    172,599.41x = 258,938.34 × 52,667.09
  4. Step 4: Simplify right side
    172,599.41x = 13,637,529,261.82
  5. Step 5: Solve for x
    x = 13,637,529,261.82/172,599.41
  6. Step 6: Final answer
    x = 79,012.61

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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.