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Finding the Fourth Proportional to 216,157.88, 324,237.77 and 89,798.02

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Solution

The fourth proportional to 216,157.88, 324,237.77 and 89,798.02 is: 134,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,157.88 : 324,237.77 = 89,798.02 : x
  2. Step 2: Convert to fraction form
    216,157.88/324,237.77 = 89,798.02/x
  3. Step 3: Cross multiply
    216,157.88x = 324,237.77 × 89,798.02
  4. Step 4: Simplify right side
    216,157.88x = 29,115,911,161.32
  5. Step 5: Solve for x
    x = 29,115,911,161.32/216,157.88
  6. Step 6: Final answer
    x = 134,697.43

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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.