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Finding the Fourth Proportional to 93,188.89, 139,763.74 and 30,014.67

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Solution

The fourth proportional to 93,188.89, 139,763.74 and 30,014.67 is: 45,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,188.89 : 139,763.74 = 30,014.67 : x
  2. Step 2: Convert to fraction form
    93,188.89/139,763.74 = 30,014.67/x
  3. Step 3: Cross multiply
    93,188.89x = 139,763.74 × 30,014.67
  4. Step 4: Simplify right side
    93,188.89x = 4,194,962,534.07
  5. Step 5: Solve for x
    x = 4,194,962,534.07/93,188.89
  6. Step 6: Final answer
    x = 45,015.69

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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.