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Finding the Fourth Proportional to 134,894.52, 202,406.58 and 72,556.92

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Solution

The fourth proportional to 134,894.52, 202,406.58 and 72,556.92 is: 108,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,894.52 : 202,406.58 = 72,556.92 : x
  2. Step 2: Convert to fraction form
    134,894.52/202,406.58 = 72,556.92/x
  3. Step 3: Cross multiply
    134,894.52x = 202,406.58 × 72,556.92
  4. Step 4: Simplify right side
    134,894.52x = 14,685,998,032.53
  5. Step 5: Solve for x
    x = 14,685,998,032.53/134,894.52
  6. Step 6: Final answer
    x = 108,870.23

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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.