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Finding the Fourth Proportional to 176,730.44, 264,995.28 and 120,638.48

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Solution

The fourth proportional to 176,730.44, 264,995.28 and 120,638.48 is: 180,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,730.44 : 264,995.28 = 120,638.48 : x
  2. Step 2: Convert to fraction form
    176,730.44/264,995.28 = 120,638.48/x
  3. Step 3: Cross multiply
    176,730.44x = 264,995.28 × 120,638.48
  4. Step 4: Simplify right side
    176,730.44x = 31,968,626,461.40
  5. Step 5: Solve for x
    x = 31,968,626,461.40/176,730.44
  6. Step 6: Final answer
    x = 180,889.20

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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.