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Finding the Fourth Proportional to 149,630.48, 224,482.32 and 49,790.48

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Solution

The fourth proportional to 149,630.48, 224,482.32 and 49,790.48 is: 74,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,630.48 : 224,482.32 = 49,790.48 : x
  2. Step 2: Convert to fraction form
    149,630.48/224,482.32 = 49,790.48/x
  3. Step 3: Cross multiply
    149,630.48x = 224,482.32 × 49,790.48
  4. Step 4: Simplify right side
    149,630.48x = 11,177,082,464.31
  5. Step 5: Solve for x
    x = 11,177,082,464.31/149,630.48
  6. Step 6: Final answer
    x = 74,697.90

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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.