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Finding the Fourth Proportional to 114,861.92, 172,259.60 and 44,725.60

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Solution

The fourth proportional to 114,861.92, 172,259.60 and 44,725.60 is: 67,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,861.92 : 172,259.60 = 44,725.60 : x
  2. Step 2: Convert to fraction form
    114,861.92/172,259.60 = 44,725.60/x
  3. Step 3: Cross multiply
    114,861.92x = 172,259.60 × 44,725.60
  4. Step 4: Simplify right side
    114,861.92x = 7,704,413,965.76
  5. Step 5: Solve for x
    x = 7,704,413,965.76/114,861.92
  6. Step 6: Final answer
    x = 67,075.44

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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.