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Finding the Fourth Proportional to 352,681.70, 529,042.57 and 112,816.67

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Solution

The fourth proportional to 352,681.70, 529,042.57 and 112,816.67 is: 169,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,681.70 : 529,042.57 = 112,816.67 : x
  2. Step 2: Convert to fraction form
    352,681.70/529,042.57 = 112,816.67/x
  3. Step 3: Cross multiply
    352,681.70x = 529,042.57 × 112,816.67
  4. Step 4: Simplify right side
    352,681.70x = 59,684,822,076.21
  5. Step 5: Solve for x
    x = 59,684,822,076.21/352,681.70
  6. Step 6: Final answer
    x = 169,231.41

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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.