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Finding the Fourth Proportional to 101,771.02, 140,444.04 and 57,059.02

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Solution

The fourth proportional to 101,771.02, 140,444.04 and 57,059.02 is: 78,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,771.02 : 140,444.04 = 57,059.02 : x
  2. Step 2: Convert to fraction form
    101,771.02/140,444.04 = 57,059.02/x
  3. Step 3: Cross multiply
    101,771.02x = 140,444.04 × 57,059.02
  4. Step 4: Simplify right side
    101,771.02x = 8,013,599,287.24
  5. Step 5: Solve for x
    x = 8,013,599,287.24/101,771.02
  6. Step 6: Final answer
    x = 78,741.47

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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.