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Finding the Fourth Proportional to 164,689.98, 246,846.79 and 74,801.25

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Solution

The fourth proportional to 164,689.98, 246,846.79 and 74,801.25 is: 112,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,689.98 : 246,846.79 = 74,801.25 : x
  2. Step 2: Convert to fraction form
    164,689.98/246,846.79 = 74,801.25/x
  3. Step 3: Cross multiply
    164,689.98x = 246,846.79 × 74,801.25
  4. Step 4: Simplify right side
    164,689.98x = 18,464,448,450.49
  5. Step 5: Solve for x
    x = 18,464,448,450.49/164,689.98
  6. Step 6: Final answer
    x = 112,116.40

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1.5x scale

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.