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Finding the Fourth Proportional to 188,635.02, 260,318.01 and 102,594.79

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Solution

The fourth proportional to 188,635.02, 260,318.01 and 102,594.79 is: 141,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,635.02 : 260,318.01 = 102,594.79 : x
  2. Step 2: Convert to fraction form
    188,635.02/260,318.01 = 102,594.79/x
  3. Step 3: Cross multiply
    188,635.02x = 260,318.01 × 102,594.79
  4. Step 4: Simplify right side
    188,635.02x = 26,707,271,569.17
  5. Step 5: Solve for x
    x = 26,707,271,569.17/188,635.02
  6. Step 6: Final answer
    x = 141,581.73

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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.