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Finding the Fourth Proportional to 64,692.46, 97,112.50 and 43,361.01

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Solution

The fourth proportional to 64,692.46, 97,112.50 and 43,361.01 is: 65,090.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,692.46 : 97,112.50 = 43,361.01 : x
  2. Step 2: Convert to fraction form
    64,692.46/97,112.50 = 43,361.01/x
  3. Step 3: Cross multiply
    64,692.46x = 97,112.50 × 43,361.01
  4. Step 4: Simplify right side
    64,692.46x = 4,210,896,083.63
  5. Step 5: Solve for x
    x = 4,210,896,083.63/64,692.46
  6. Step 6: Final answer
    x = 65,090.99

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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.