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Finding the Fourth Proportional to 153,079.37, 229,723.54 and 53,238.57

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Solution

The fourth proportional to 153,079.37, 229,723.54 and 53,238.57 is: 79,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,079.37 : 229,723.54 = 53,238.57 : x
  2. Step 2: Convert to fraction form
    153,079.37/229,723.54 = 53,238.57/x
  3. Step 3: Cross multiply
    153,079.37x = 229,723.54 × 53,238.57
  4. Step 4: Simplify right side
    153,079.37x = 12,230,152,764.94
  5. Step 5: Solve for x
    x = 12,230,152,764.94/153,079.37
  6. Step 6: Final answer
    x = 79,894.19

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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.