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Finding the Fourth Proportional to 93,260.16, 139,812.48 and 46,448.64

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Solution

The fourth proportional to 93,260.16, 139,812.48 and 46,448.64 is: 69,634.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,260.16 : 139,812.48 = 46,448.64 : x
  2. Step 2: Convert to fraction form
    93,260.16/139,812.48 = 46,448.64/x
  3. Step 3: Cross multiply
    93,260.16x = 139,812.48 × 46,448.64
  4. Step 4: Simplify right side
    93,260.16x = 6,494,099,551.03
  5. Step 5: Solve for x
    x = 6,494,099,551.03/93,260.16
  6. Step 6: Final answer
    x = 69,634.23

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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.