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Finding the Fourth Proportional to 73,130.06, 100,919.49 and 39,596.06

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Solution

The fourth proportional to 73,130.06, 100,919.49 and 39,596.06 is: 54,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,130.06 : 100,919.49 = 39,596.06 : x
  2. Step 2: Convert to fraction form
    73,130.06/100,919.49 = 39,596.06/x
  3. Step 3: Cross multiply
    73,130.06x = 100,919.49 × 39,596.06
  4. Step 4: Simplify right side
    73,130.06x = 3,996,014,285.02
  5. Step 5: Solve for x
    x = 3,996,014,285.02/73,130.06
  6. Step 6: Final answer
    x = 54,642.57

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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.