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Finding the Fourth Proportional to 176,487.40, 264,731.10 and 106,330.60

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Solution

The fourth proportional to 176,487.40, 264,731.10 and 106,330.60 is: 159,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,487.40 : 264,731.10 = 106,330.60 : x
  2. Step 2: Convert to fraction form
    176,487.40/264,731.10 = 106,330.60/x
  3. Step 3: Cross multiply
    176,487.40x = 264,731.10 × 106,330.60
  4. Step 4: Simplify right side
    176,487.40x = 28,149,016,701.66
  5. Step 5: Solve for x
    x = 28,149,016,701.66/176,487.40
  6. Step 6: Final answer
    x = 159,495.90

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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.