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Finding the Fourth Proportional to 212,094.97, 292,692.96 and 115,299.01

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Solution

The fourth proportional to 212,094.97, 292,692.96 and 115,299.01 is: 159,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,094.97 : 292,692.96 = 115,299.01 : x
  2. Step 2: Convert to fraction form
    212,094.97/292,692.96 = 115,299.01/x
  3. Step 3: Cross multiply
    212,094.97x = 292,692.96 × 115,299.01
  4. Step 4: Simplify right side
    212,094.97x = 33,747,208,887.84
  5. Step 5: Solve for x
    x = 33,747,208,887.84/212,094.97
  6. Step 6: Final answer
    x = 159,113.67

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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.