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Finding the Fourth Proportional to 89,803.79, 123,937.54 and 51,568.35

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Solution

The fourth proportional to 89,803.79, 123,937.54 and 51,568.35 is: 71,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,803.79 : 123,937.54 = 51,568.35 : x
  2. Step 2: Convert to fraction form
    89,803.79/123,937.54 = 51,568.35/x
  3. Step 3: Cross multiply
    89,803.79x = 123,937.54 × 51,568.35
  4. Step 4: Simplify right side
    89,803.79x = 6,391,254,137.24
  5. Step 5: Solve for x
    x = 6,391,254,137.24/89,803.79
  6. Step 6: Final answer
    x = 71,169.09

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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.