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Finding the Fourth Proportional to 147,201.27, 203,134.53 and 85,957.98

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Solution

The fourth proportional to 147,201.27, 203,134.53 and 85,957.98 is: 118,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,201.27 : 203,134.53 = 85,957.98 : x
  2. Step 2: Convert to fraction form
    147,201.27/203,134.53 = 85,957.98/x
  3. Step 3: Cross multiply
    147,201.27x = 203,134.53 × 85,957.98
  4. Step 4: Simplify right side
    147,201.27x = 17,461,033,867.05
  5. Step 5: Solve for x
    x = 17,461,033,867.05/147,201.27
  6. Step 6: Final answer
    x = 118,620.13

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1.5x scale

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.