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Finding the Fourth Proportional to 94,253.67, 130,066.74 and 51,811.89

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Solution

The fourth proportional to 94,253.67, 130,066.74 and 51,811.89 is: 71,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,253.67 : 130,066.74 = 51,811.89 : x
  2. Step 2: Convert to fraction form
    94,253.67/130,066.74 = 51,811.89/x
  3. Step 3: Cross multiply
    94,253.67x = 130,066.74 × 51,811.89
  4. Step 4: Simplify right side
    94,253.67x = 6,739,003,625.54
  5. Step 5: Solve for x
    x = 6,739,003,625.54/94,253.67
  6. Step 6: Final answer
    x = 71,498.58

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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.