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Finding the Fourth Proportional to 93,297.20, 139,929.60 and 34,102.40

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Solution

The fourth proportional to 93,297.20, 139,929.60 and 34,102.40 is: 51,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,297.20 : 139,929.60 = 34,102.40 : x
  2. Step 2: Convert to fraction form
    93,297.20/139,929.60 = 34,102.40/x
  3. Step 3: Cross multiply
    93,297.20x = 139,929.60 × 34,102.40
  4. Step 4: Simplify right side
    93,297.20x = 4,771,935,191.04
  5. Step 5: Solve for x
    x = 4,771,935,191.04/93,297.20
  6. Step 6: Final answer
    x = 51,147.68

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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.