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Finding the Fourth Proportional to 198,937, 298,460.18 and 58,695.63

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Solution

The fourth proportional to 198,937, 298,460.18 and 58,695.63 is: 88,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,937 : 298,460.18 = 58,695.63 : x
  2. Step 2: Convert to fraction form
    198,937/298,460.18 = 58,695.63/x
  3. Step 3: Cross multiply
    198,937x = 298,460.18 × 58,695.63
  4. Step 4: Simplify right side
    198,937x = 17,518,308,295.01
  5. Step 5: Solve for x
    x = 17,518,308,295.01/198,937
  6. Step 6: Final answer
    x = 88,059.58

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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.