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Finding the Fourth Proportional to 99,222.22, 136,927.74 and 53,900.74

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Solution

The fourth proportional to 99,222.22, 136,927.74 and 53,900.74 is: 74,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,222.22 : 136,927.74 = 53,900.74 : x
  2. Step 2: Convert to fraction form
    99,222.22/136,927.74 = 53,900.74/x
  3. Step 3: Cross multiply
    99,222.22x = 136,927.74 × 53,900.74
  4. Step 4: Simplify right side
    99,222.22x = 7,380,506,512.53
  5. Step 5: Solve for x
    x = 7,380,506,512.53/99,222.22
  6. Step 6: Final answer
    x = 74,383.61

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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.