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Finding the Fourth Proportional to 93,692.91, 129,316.37 and 59,693.28

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Solution

The fourth proportional to 93,692.91, 129,316.37 and 59,693.28 is: 82,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,692.91 : 129,316.37 = 59,693.28 : x
  2. Step 2: Convert to fraction form
    93,692.91/129,316.37 = 59,693.28/x
  3. Step 3: Cross multiply
    93,692.91x = 129,316.37 × 59,693.28
  4. Step 4: Simplify right side
    93,692.91x = 7,719,317,984.53
  5. Step 5: Solve for x
    x = 7,719,317,984.53/93,692.91
  6. Step 6: Final answer
    x = 82,389.56

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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.