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Finding the Fourth Proportional to 176,920.40, 264,689.40 and 114,712.40

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Solution

The fourth proportional to 176,920.40, 264,689.40 and 114,712.40 is: 171,620.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,920.40 : 264,689.40 = 114,712.40 : x
  2. Step 2: Convert to fraction form
    176,920.40/264,689.40 = 114,712.40/x
  3. Step 3: Cross multiply
    176,920.40x = 264,689.40 × 114,712.40
  4. Step 4: Simplify right side
    176,920.40x = 30,363,156,328.56
  5. Step 5: Solve for x
    x = 30,363,156,328.56/176,920.40
  6. Step 6: Final answer
    x = 171,620.44

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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.