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Finding the Fourth Proportional to 172,888.40, 259,367.54 and 73,048.88

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Solution

The fourth proportional to 172,888.40, 259,367.54 and 73,048.88 is: 109,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,888.40 : 259,367.54 = 73,048.88 : x
  2. Step 2: Convert to fraction form
    172,888.40/259,367.54 = 73,048.88/x
  3. Step 3: Cross multiply
    172,888.40x = 259,367.54 × 73,048.88
  4. Step 4: Simplify right side
    172,888.40x = 18,946,508,305.36
  5. Step 5: Solve for x
    x = 18,946,508,305.36/172,888.40
  6. Step 6: Final answer
    x = 109,588.08

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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.