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Finding the Fourth Proportional to 62,104.50, 85,762.53 and 43,293.78

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Solution

The fourth proportional to 62,104.50, 85,762.53 and 43,293.78 is: 59,786.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,104.50 : 85,762.53 = 43,293.78 : x
  2. Step 2: Convert to fraction form
    62,104.50/85,762.53 = 43,293.78/x
  3. Step 3: Cross multiply
    62,104.50x = 85,762.53 × 43,293.78
  4. Step 4: Simplify right side
    62,104.50x = 3,712,984,106.06
  5. Step 5: Solve for x
    x = 3,712,984,106.06/62,104.50
  6. Step 6: Final answer
    x = 59,786.07

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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.