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Finding the Fourth Proportional to 93,203.38, 139,719.63 and 36,315.66

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Solution

The fourth proportional to 93,203.38, 139,719.63 and 36,315.66 is: 54,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,203.38 : 139,719.63 = 36,315.66 : x
  2. Step 2: Convert to fraction form
    93,203.38/139,719.63 = 36,315.66/x
  3. Step 3: Cross multiply
    93,203.38x = 139,719.63 × 36,315.66
  4. Step 4: Simplify right side
    93,203.38x = 5,074,010,578.41
  5. Step 5: Solve for x
    x = 5,074,010,578.41/93,203.38
  6. Step 6: Final answer
    x = 54,440.20

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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.