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Finding the Fourth Proportional to 93,294.45, 139,941.54 and 23,173.79

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Solution

The fourth proportional to 93,294.45, 139,941.54 and 23,173.79 is: 34,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,294.45 : 139,941.54 = 23,173.79 : x
  2. Step 2: Convert to fraction form
    93,294.45/139,941.54 = 23,173.79/x
  3. Step 3: Cross multiply
    93,294.45x = 139,941.54 × 23,173.79
  4. Step 4: Simplify right side
    93,294.45x = 3,242,975,160.53
  5. Step 5: Solve for x
    x = 3,242,975,160.53/93,294.45
  6. Step 6: Final answer
    x = 34,760.64

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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.