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Finding the Fourth Proportional to 93,834.56, 129,504.56 and 57,557.68

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Solution

The fourth proportional to 93,834.56, 129,504.56 and 57,557.68 is: 79,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,834.56 : 129,504.56 = 57,557.68 : x
  2. Step 2: Convert to fraction form
    93,834.56/129,504.56 = 57,557.68/x
  3. Step 3: Cross multiply
    93,834.56x = 129,504.56 × 57,557.68
  4. Step 4: Simplify right side
    93,834.56x = 7,453,982,023.02
  5. Step 5: Solve for x
    x = 7,453,982,023.02/93,834.56
  6. Step 6: Final answer
    x = 79,437.49

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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.