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Finding the Fourth Proportional to 173,889.60, 260,834.40 and 55,564.80

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Solution

The fourth proportional to 173,889.60, 260,834.40 and 55,564.80 is: 83,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,889.60 : 260,834.40 = 55,564.80 : x
  2. Step 2: Convert to fraction form
    173,889.60/260,834.40 = 55,564.80/x
  3. Step 3: Cross multiply
    173,889.60x = 260,834.40 × 55,564.80
  4. Step 4: Simplify right side
    173,889.60x = 14,493,211,269.12
  5. Step 5: Solve for x
    x = 14,493,211,269.12/173,889.60
  6. Step 6: Final answer
    x = 83,347.20

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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.