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Finding the Fourth Proportional to 174,379.61, 260,889.57 and 152,861.51

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Solution

The fourth proportional to 174,379.61, 260,889.57 and 152,861.51 is: 228,696.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,379.61 : 260,889.57 = 152,861.51 : x
  2. Step 2: Convert to fraction form
    174,379.61/260,889.57 = 152,861.51/x
  3. Step 3: Cross multiply
    174,379.61x = 260,889.57 × 152,861.51
  4. Step 4: Simplify right side
    174,379.61x = 39,879,972,309.00
  5. Step 5: Solve for x
    x = 39,879,972,309.00/174,379.61
  6. Step 6: Final answer
    x = 228,696.31

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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.