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Finding the Fourth Proportional to 61,820.01, 92,748.51 and 43,842.87

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Solution

The fourth proportional to 61,820.01, 92,748.51 and 43,842.87 is: 65,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,820.01 : 92,748.51 = 43,842.87 : x
  2. Step 2: Convert to fraction form
    61,820.01/92,748.51 = 43,842.87/x
  3. Step 3: Cross multiply
    61,820.01x = 92,748.51 × 43,842.87
  4. Step 4: Simplify right side
    61,820.01x = 4,066,360,866.62
  5. Step 5: Solve for x
    x = 4,066,360,866.62/61,820.01
  6. Step 6: Final answer
    x = 65,777.42

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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.