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Finding the Fourth Proportional to 66,356.28, 99,300.56 and 41,408.07

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Solution

The fourth proportional to 66,356.28, 99,300.56 and 41,408.07 is: 61,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,356.28 : 99,300.56 = 41,408.07 : x
  2. Step 2: Convert to fraction form
    66,356.28/99,300.56 = 41,408.07/x
  3. Step 3: Cross multiply
    66,356.28x = 99,300.56 × 41,408.07
  4. Step 4: Simplify right side
    66,356.28x = 4,111,844,332.48
  5. Step 5: Solve for x
    x = 4,111,844,332.48/66,356.28
  6. Step 6: Final answer
    x = 61,966.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.