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Finding the Fourth Proportional to 93,326.64, 139,969.23 and 26,766.48

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Solution

The fourth proportional to 93,326.64, 139,969.23 and 26,766.48 is: 40,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,326.64 : 139,969.23 = 26,766.48 : x
  2. Step 2: Convert to fraction form
    93,326.64/139,969.23 = 26,766.48/x
  3. Step 3: Cross multiply
    93,326.64x = 139,969.23 × 26,766.48
  4. Step 4: Simplify right side
    93,326.64x = 3,746,483,595.41
  5. Step 5: Solve for x
    x = 3,746,483,595.41/93,326.64
  6. Step 6: Final answer
    x = 40,143.77

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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.