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Finding the Fourth Proportional to 160,630.64, 240,984.12 and 55,450.48

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Solution

The fourth proportional to 160,630.64, 240,984.12 and 55,450.48 is: 83,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,630.64 : 240,984.12 = 55,450.48 : x
  2. Step 2: Convert to fraction form
    160,630.64/240,984.12 = 55,450.48/x
  3. Step 3: Cross multiply
    160,630.64x = 240,984.12 × 55,450.48
  4. Step 4: Simplify right side
    160,630.64x = 13,362,685,126.38
  5. Step 5: Solve for x
    x = 13,362,685,126.38/160,630.64
  6. Step 6: Final answer
    x = 83,188.89

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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.