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Finding the Fourth Proportional to 73,326.25, 101,190.32 and 39,792.25

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Solution

The fourth proportional to 73,326.25, 101,190.32 and 39,792.25 is: 54,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,326.25 : 101,190.32 = 39,792.25 : x
  2. Step 2: Convert to fraction form
    73,326.25/101,190.32 = 39,792.25/x
  3. Step 3: Cross multiply
    73,326.25x = 101,190.32 × 39,792.25
  4. Step 4: Simplify right side
    73,326.25x = 4,026,590,511.02
  5. Step 5: Solve for x
    x = 4,026,590,511.02/73,326.25
  6. Step 6: Final answer
    x = 54,913.36

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1.5x scale

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.