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Finding the Fourth Proportional to 73,326.17, 101,190.18 and 39,792.17

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Solution

The fourth proportional to 73,326.17, 101,190.18 and 39,792.17 is: 54,913.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,326.17 : 101,190.18 = 39,792.17 : x
  2. Step 2: Convert to fraction form
    73,326.17/101,190.18 = 39,792.17/x
  3. Step 3: Cross multiply
    73,326.17x = 101,190.18 × 39,792.17
  4. Step 4: Simplify right side
    73,326.17x = 4,026,576,139.98
  5. Step 5: Solve for x
    x = 4,026,576,139.98/73,326.17
  6. Step 6: Final answer
    x = 54,913.22

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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.