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Finding the Fourth Proportional to 57,182.65, 78,941.93 and 44,407.17

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Solution

The fourth proportional to 57,182.65, 78,941.93 and 44,407.17 is: 61,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,182.65 : 78,941.93 = 44,407.17 : x
  2. Step 2: Convert to fraction form
    57,182.65/78,941.93 = 44,407.17/x
  3. Step 3: Cross multiply
    57,182.65x = 78,941.93 × 44,407.17
  4. Step 4: Simplify right side
    57,182.65x = 3,505,587,483.60
  5. Step 5: Solve for x
    x = 3,505,587,483.60/57,182.65
  6. Step 6: Final answer
    x = 61,305.09

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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.