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Finding the Fourth Proportional to 93,262.64, 139,935.26 and 48,878.80

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Solution

The fourth proportional to 93,262.64, 139,935.26 and 48,878.80 is: 73,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,262.64 : 139,935.26 = 48,878.80 : x
  2. Step 2: Convert to fraction form
    93,262.64/139,935.26 = 48,878.80/x
  3. Step 3: Cross multiply
    93,262.64x = 139,935.26 × 48,878.80
  4. Step 4: Simplify right side
    93,262.64x = 6,839,867,358.85
  5. Step 5: Solve for x
    x = 6,839,867,358.85/93,262.64
  6. Step 6: Final answer
    x = 73,339.85

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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.