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Finding the Fourth Proportional to 93,104.75, 128,483.47 and 50,662.55

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Solution

The fourth proportional to 93,104.75, 128,483.47 and 50,662.55 is: 69,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,104.75 : 128,483.47 = 50,662.55 : x
  2. Step 2: Convert to fraction form
    93,104.75/128,483.47 = 50,662.55/x
  3. Step 3: Cross multiply
    93,104.75x = 128,483.47 × 50,662.55
  4. Step 4: Simplify right side
    93,104.75x = 6,509,300,223.05
  5. Step 5: Solve for x
    x = 6,509,300,223.05/93,104.75
  6. Step 6: Final answer
    x = 69,913.73

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1.5x scale

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.