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Finding the Fourth Proportional to 210,093.37, 315,157.41 and 88,549.00

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Solution

The fourth proportional to 210,093.37, 315,157.41 and 88,549.00 is: 132,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,093.37 : 315,157.41 = 88,549.00 : x
  2. Step 2: Convert to fraction form
    210,093.37/315,157.41 = 88,549.00/x
  3. Step 3: Cross multiply
    210,093.37x = 315,157.41 × 88,549.00
  4. Step 4: Simplify right side
    210,093.37x = 27,906,872,461.15
  5. Step 5: Solve for x
    x = 27,906,872,461.15/210,093.37
  6. Step 6: Final answer
    x = 132,830.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.