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Finding the Fourth Proportional to 93,483.92, 129,007.72 and 51,042.45

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Solution

The fourth proportional to 93,483.92, 129,007.72 and 51,042.45 is: 70,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,483.92 : 129,007.72 = 51,042.45 : x
  2. Step 2: Convert to fraction form
    93,483.92/129,007.72 = 51,042.45/x
  3. Step 3: Cross multiply
    93,483.92x = 129,007.72 × 51,042.45
  4. Step 4: Simplify right side
    93,483.92x = 6,584,870,645.30
  5. Step 5: Solve for x
    x = 6,584,870,645.30/93,483.92
  6. Step 6: Final answer
    x = 70,438.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.