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Finding the Fourth Proportional to 179,424.80, 269,088.60 and 53,064.80

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Solution

The fourth proportional to 179,424.80, 269,088.60 and 53,064.80 is: 79,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,424.80 : 269,088.60 = 53,064.80 : x
  2. Step 2: Convert to fraction form
    179,424.80/269,088.60 = 53,064.80/x
  3. Step 3: Cross multiply
    179,424.80x = 269,088.60 × 53,064.80
  4. Step 4: Simplify right side
    179,424.80x = 14,279,132,741.28
  5. Step 5: Solve for x
    x = 14,279,132,741.28/179,424.80
  6. Step 6: Final answer
    x = 79,582.83

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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.