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Finding the Fourth Proportional to 93,151.62, 139,636.31 and 36,973.06

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Solution

The fourth proportional to 93,151.62, 139,636.31 and 36,973.06 is: 55,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,151.62 : 139,636.31 = 36,973.06 : x
  2. Step 2: Convert to fraction form
    93,151.62/139,636.31 = 36,973.06/x
  3. Step 3: Cross multiply
    93,151.62x = 139,636.31 × 36,973.06
  4. Step 4: Simplify right side
    93,151.62x = 5,162,781,133.85
  5. Step 5: Solve for x
    x = 5,162,781,133.85/93,151.62
  6. Step 6: Final answer
    x = 55,423.42

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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.