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Finding the Fourth Proportional to 134,893.52, 202,405.08 and 72,555.92

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Solution

The fourth proportional to 134,893.52, 202,405.08 and 72,555.92 is: 108,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,893.52 : 202,405.08 = 72,555.92 : x
  2. Step 2: Convert to fraction form
    134,893.52/202,405.08 = 72,555.92/x
  3. Step 3: Cross multiply
    134,893.52x = 202,405.08 × 72,555.92
  4. Step 4: Simplify right side
    134,893.52x = 14,685,686,792.07
  5. Step 5: Solve for x
    x = 14,685,686,792.07/134,893.52
  6. Step 6: Final answer
    x = 108,868.73

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1.5x scale

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.