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Finding the Fourth Proportional to 71,602.59, 98,813.75 and 43,292.01

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Solution

The fourth proportional to 71,602.59, 98,813.75 and 43,292.01 is: 59,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,602.59 : 98,813.75 = 43,292.01 : x
  2. Step 2: Convert to fraction form
    71,602.59/98,813.75 = 43,292.01/x
  3. Step 3: Cross multiply
    71,602.59x = 98,813.75 × 43,292.01
  4. Step 4: Simplify right side
    71,602.59x = 4,277,845,636.68
  5. Step 5: Solve for x
    x = 4,277,845,636.68/71,602.59
  6. Step 6: Final answer
    x = 59,744.29

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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.