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Finding the Fourth Proportional to 164,036.80, 246,055.20 and 140,417.20

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Solution

The fourth proportional to 164,036.80, 246,055.20 and 140,417.20 is: 210,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,036.80 : 246,055.20 = 140,417.20 : x
  2. Step 2: Convert to fraction form
    164,036.80/246,055.20 = 140,417.20/x
  3. Step 3: Cross multiply
    164,036.80x = 246,055.20 × 140,417.20
  4. Step 4: Simplify right side
    164,036.80x = 34,550,382,229.44
  5. Step 5: Solve for x
    x = 34,550,382,229.44/164,036.80
  6. Step 6: Final answer
    x = 210,625.80

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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.