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Finding the Fourth Proportional to 62,140.61, 93,266.41 and 43,435.61

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Solution

The fourth proportional to 62,140.61, 93,266.41 and 43,435.61 is: 65,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,140.61 : 93,266.41 = 43,435.61 : x
  2. Step 2: Convert to fraction form
    62,140.61/93,266.41 = 43,435.61/x
  3. Step 3: Cross multiply
    62,140.61x = 93,266.41 × 43,435.61
  4. Step 4: Simplify right side
    62,140.61x = 4,051,083,743.69
  5. Step 5: Solve for x
    x = 4,051,083,743.69/62,140.61
  6. Step 6: Final answer
    x = 65,192.21

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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.