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Finding the Fourth Proportional to 93,152.75, 139,749.74 and 33,988.25

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Solution

The fourth proportional to 93,152.75, 139,749.74 and 33,988.25 is: 50,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,152.75 : 139,749.74 = 33,988.25 : x
  2. Step 2: Convert to fraction form
    93,152.75/139,749.74 = 33,988.25/x
  3. Step 3: Cross multiply
    93,152.75x = 139,749.74 × 33,988.25
  4. Step 4: Simplify right side
    93,152.75x = 4,749,849,336.60
  5. Step 5: Solve for x
    x = 4,749,849,336.60/93,152.75
  6. Step 6: Final answer
    x = 50,989.90

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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.