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Finding the Fourth Proportional to 176,652.80, 264,590.40 and 106,409.60

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Solution

The fourth proportional to 176,652.80, 264,590.40 and 106,409.60 is: 159,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,652.80 : 264,590.40 = 106,409.60 : x
  2. Step 2: Convert to fraction form
    176,652.80/264,590.40 = 106,409.60/x
  3. Step 3: Cross multiply
    176,652.80x = 264,590.40 × 106,409.60
  4. Step 4: Simplify right side
    176,652.80x = 28,154,958,627.84
  5. Step 5: Solve for x
    x = 28,154,958,627.84/176,652.80
  6. Step 6: Final answer
    x = 159,380.20

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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.