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Finding the Fourth Proportional to 93,153.75, 139,751.24 and 33,989.25

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Solution

The fourth proportional to 93,153.75, 139,751.24 and 33,989.25 is: 50,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,153.75 : 139,751.24 = 33,989.25 : x
  2. Step 2: Convert to fraction form
    93,153.75/139,751.24 = 33,989.25/x
  3. Step 3: Cross multiply
    93,153.75x = 139,751.24 × 33,989.25
  4. Step 4: Simplify right side
    93,153.75x = 4,750,039,834.17
  5. Step 5: Solve for x
    x = 4,750,039,834.17/93,153.75
  6. Step 6: Final answer
    x = 50,991.40

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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.