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Finding the Fourth Proportional to 247,588.76, 371,383.14 and 89,817.32

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Solution

The fourth proportional to 247,588.76, 371,383.14 and 89,817.32 is: 134,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,588.76 : 371,383.14 = 89,817.32 : x
  2. Step 2: Convert to fraction form
    247,588.76/371,383.14 = 89,817.32/x
  3. Step 3: Cross multiply
    247,588.76x = 371,383.14 × 89,817.32
  4. Step 4: Simplify right side
    247,588.76x = 33,356,638,327.98
  5. Step 5: Solve for x
    x = 33,356,638,327.98/247,588.76
  6. Step 6: Final answer
    x = 134,725.98

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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.