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Finding the Fourth Proportional to 62,099.04, 85,796.88 and 43,320

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Solution

The fourth proportional to 62,099.04, 85,796.88 and 43,320 is: 59,851.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,099.04 : 85,796.88 = 43,320 : x
  2. Step 2: Convert to fraction form
    62,099.04/85,796.88 = 43,320/x
  3. Step 3: Cross multiply
    62,099.04x = 85,796.88 × 43,320
  4. Step 4: Simplify right side
    62,099.04x = 3,716,720,841.60
  5. Step 5: Solve for x
    x = 3,716,720,841.60/62,099.04
  6. Step 6: Final answer
    x = 59,851.50

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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.