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Finding the Fourth Proportional to 93,230.19, 139,879.31 and 58,199.31

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Solution

The fourth proportional to 93,230.19, 139,879.31 and 58,199.31 is: 87,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,230.19 : 139,879.31 = 58,199.31 : x
  2. Step 2: Convert to fraction form
    93,230.19/139,879.31 = 58,199.31/x
  3. Step 3: Cross multiply
    93,230.19x = 139,879.31 × 58,199.31
  4. Step 4: Simplify right side
    93,230.19x = 8,140,879,034.28
  5. Step 5: Solve for x
    x = 8,140,879,034.28/93,230.19
  6. Step 6: Final answer
    x = 87,320.20

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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.