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Finding the Fourth Proportional to 147,100.97, 220,684.26 and 53,606.72

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Solution

The fourth proportional to 147,100.97, 220,684.26 and 53,606.72 is: 80,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,100.97 : 220,684.26 = 53,606.72 : x
  2. Step 2: Convert to fraction form
    147,100.97/220,684.26 = 53,606.72/x
  3. Step 3: Cross multiply
    147,100.97x = 220,684.26 × 53,606.72
  4. Step 4: Simplify right side
    147,100.97x = 11,830,159,885.94
  5. Step 5: Solve for x
    x = 11,830,159,885.94/147,100.97
  6. Step 6: Final answer
    x = 80,422.04

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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.