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Finding the Fourth Proportional to 164,155.51, 246,220.30 and 51,839.09

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Solution

The fourth proportional to 164,155.51, 246,220.30 and 51,839.09 is: 77,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,155.51 : 246,220.30 = 51,839.09 : x
  2. Step 2: Convert to fraction form
    164,155.51/246,220.30 = 51,839.09/x
  3. Step 3: Cross multiply
    164,155.51x = 246,220.30 × 51,839.09
  4. Step 4: Simplify right side
    164,155.51x = 12,763,834,801.23
  5. Step 5: Solve for x
    x = 12,763,834,801.23/164,155.51
  6. Step 6: Final answer
    x = 77,754.53

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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.