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Finding the Fourth Proportional to 134,477.30, 201,629.55 and 55,622.90

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Solution

The fourth proportional to 134,477.30, 201,629.55 and 55,622.90 is: 83,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,477.30 : 201,629.55 = 55,622.90 : x
  2. Step 2: Convert to fraction form
    134,477.30/201,629.55 = 55,622.90/x
  3. Step 3: Cross multiply
    134,477.30x = 201,629.55 × 55,622.90
  4. Step 4: Simplify right side
    134,477.30x = 11,215,220,296.70
  5. Step 5: Solve for x
    x = 11,215,220,296.70/134,477.30
  6. Step 6: Final answer
    x = 83,398.61

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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.