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Finding the Fourth Proportional to 93,382.50, 140,074.99 and 31,053.02

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Solution

The fourth proportional to 93,382.50, 140,074.99 and 31,053.02 is: 46,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,382.50 : 140,074.99 = 31,053.02 : x
  2. Step 2: Convert to fraction form
    93,382.50/140,074.99 = 31,053.02/x
  3. Step 3: Cross multiply
    93,382.50x = 140,074.99 × 31,053.02
  4. Step 4: Simplify right side
    93,382.50x = 4,349,751,465.97
  5. Step 5: Solve for x
    x = 4,349,751,465.97/93,382.50
  6. Step 6: Final answer
    x = 46,579.94

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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.