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Finding the Fourth Proportional to 71,533.95, 98,686.04 and 43,223.25

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Solution

The fourth proportional to 71,533.95, 98,686.04 and 43,223.25 is: 59,629.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,533.95 : 98,686.04 = 43,223.25 : x
  2. Step 2: Convert to fraction form
    71,533.95/98,686.04 = 43,223.25/x
  3. Step 3: Cross multiply
    71,533.95x = 98,686.04 × 43,223.25
  4. Step 4: Simplify right side
    71,533.95x = 4,265,531,162.31
  5. Step 5: Solve for x
    x = 4,265,531,162.31/71,533.95
  6. Step 6: Final answer
    x = 59,629.46

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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.