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Finding the Fourth Proportional to 98,550.88, 136,000.82 and 53,838.88

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Solution

The fourth proportional to 98,550.88, 136,000.82 and 53,838.88 is: 74,297.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,550.88 : 136,000.82 = 53,838.88 : x
  2. Step 2: Convert to fraction form
    98,550.88/136,000.82 = 53,838.88/x
  3. Step 3: Cross multiply
    98,550.88x = 136,000.82 × 53,838.88
  4. Step 4: Simplify right side
    98,550.88x = 7,322,131,827.88
  5. Step 5: Solve for x
    x = 7,322,131,827.88/98,550.88
  6. Step 6: Final answer
    x = 74,297.99

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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.