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Finding the Fourth Proportional to 93,339.55, 139,984.21 and 34,175.53

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Solution

The fourth proportional to 93,339.55, 139,984.21 and 34,175.53 is: 51,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,339.55 : 139,984.21 = 34,175.53 : x
  2. Step 2: Convert to fraction form
    93,339.55/139,984.21 = 34,175.53/x
  3. Step 3: Cross multiply
    93,339.55x = 139,984.21 × 34,175.53
  4. Step 4: Simplify right side
    93,339.55x = 4,784,034,568.38
  5. Step 5: Solve for x
    x = 4,784,034,568.38/93,339.55
  6. Step 6: Final answer
    x = 51,254.10

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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.