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Finding the Fourth Proportional to 101,628.99, 140,244.27 and 58,610.30

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Solution

The fourth proportional to 101,628.99, 140,244.27 and 58,610.30 is: 80,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,628.99 : 140,244.27 = 58,610.30 : x
  2. Step 2: Convert to fraction form
    101,628.99/140,244.27 = 58,610.30/x
  3. Step 3: Cross multiply
    101,628.99x = 140,244.27 × 58,610.30
  4. Step 4: Simplify right side
    101,628.99x = 8,219,758,036.76
  5. Step 5: Solve for x
    x = 8,219,758,036.76/101,628.99
  6. Step 6: Final answer
    x = 80,880.05

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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.