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Finding the Fourth Proportional to 93,694.04, 129,351.22 and 61,955

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Solution

The fourth proportional to 93,694.04, 129,351.22 and 61,955 is: 85,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,694.04 : 129,351.22 = 61,955 : x
  2. Step 2: Convert to fraction form
    93,694.04/129,351.22 = 61,955/x
  3. Step 3: Cross multiply
    93,694.04x = 129,351.22 × 61,955
  4. Step 4: Simplify right side
    93,694.04x = 8,013,954,835.10
  5. Step 5: Solve for x
    x = 8,013,954,835.10/93,694.04
  6. Step 6: Final answer
    x = 85,533.24

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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.