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Finding the Fourth Proportional to 172,846.80, 258,832.80 and 164,973.60

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Solution

The fourth proportional to 172,846.80, 258,832.80 and 164,973.60 is: 247,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,846.80 : 258,832.80 = 164,973.60 : x
  2. Step 2: Convert to fraction form
    172,846.80/258,832.80 = 164,973.60/x
  3. Step 3: Cross multiply
    172,846.80x = 258,832.80 × 164,973.60
  4. Step 4: Simplify right side
    172,846.80x = 42,700,578,814.08
  5. Step 5: Solve for x
    x = 42,700,578,814.08/172,846.80
  6. Step 6: Final answer
    x = 247,042.92

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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.