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Finding the Fourth Proportional to 239,485.41, 359,276.72 and 89,722.89

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Solution

The fourth proportional to 239,485.41, 359,276.72 and 89,722.89 is: 134,602.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,485.41 : 359,276.72 = 89,722.89 : x
  2. Step 2: Convert to fraction form
    239,485.41/359,276.72 = 89,722.89/x
  3. Step 3: Cross multiply
    239,485.41x = 359,276.72 × 89,722.89
  4. Step 4: Simplify right side
    239,485.41x = 32,235,345,179.51
  5. Step 5: Solve for x
    x = 32,235,345,179.51/239,485.41
  6. Step 6: Final answer
    x = 134,602.54

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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.