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Finding the Fourth Proportional to 61,483.28, 92,159.22 and 43,899.80

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Solution

The fourth proportional to 61,483.28, 92,159.22 and 43,899.80 is: 65,802.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,483.28 : 92,159.22 = 43,899.80 : x
  2. Step 2: Convert to fraction form
    61,483.28/92,159.22 = 43,899.80/x
  3. Step 3: Cross multiply
    61,483.28x = 92,159.22 × 43,899.80
  4. Step 4: Simplify right side
    61,483.28x = 4,045,771,326.16
  5. Step 5: Solve for x
    x = 4,045,771,326.16/61,483.28
  6. Step 6: Final answer
    x = 65,802.79

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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.