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Finding the Fourth Proportional to 73,477.98, 101,418.21 and 45,208.98

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Solution

The fourth proportional to 73,477.98, 101,418.21 and 45,208.98 is: 62,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,477.98 : 101,418.21 = 45,208.98 : x
  2. Step 2: Convert to fraction form
    73,477.98/101,418.21 = 45,208.98/x
  3. Step 3: Cross multiply
    73,477.98x = 101,418.21 × 45,208.98
  4. Step 4: Simplify right side
    73,477.98x = 4,585,013,827.53
  5. Step 5: Solve for x
    x = 4,585,013,827.53/73,477.98
  6. Step 6: Final answer
    x = 62,399.83

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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.