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Finding the Fourth Proportional to 113,812.83, 170,727.53 and 43,692.14

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Solution

The fourth proportional to 113,812.83, 170,727.53 and 43,692.14 is: 65,541.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,812.83 : 170,727.53 = 43,692.14 : x
  2. Step 2: Convert to fraction form
    113,812.83/170,727.53 = 43,692.14/x
  3. Step 3: Cross multiply
    113,812.83x = 170,727.53 × 43,692.14
  4. Step 4: Simplify right side
    113,812.83x = 7,459,450,070.52
  5. Step 5: Solve for x
    x = 7,459,450,070.52/113,812.83
  6. Step 6: Final answer
    x = 65,541.38

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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.