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Finding the Fourth Proportional to 61,904.64, 92,842.08 and 43,350.72

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Solution

The fourth proportional to 61,904.64, 92,842.08 and 43,350.72 is: 65,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,904.64 : 92,842.08 = 43,350.72 : x
  2. Step 2: Convert to fraction form
    61,904.64/92,842.08 = 43,350.72/x
  3. Step 3: Cross multiply
    61,904.64x = 92,842.08 × 43,350.72
  4. Step 4: Simplify right side
    61,904.64x = 4,024,771,014.30
  5. Step 5: Solve for x
    x = 4,024,771,014.30/61,904.64
  6. Step 6: Final answer
    x = 65,015.66

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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.