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Finding the Fourth Proportional to 93,289.53, 128,740.83 and 50,847.96

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Solution

The fourth proportional to 93,289.53, 128,740.83 and 50,847.96 is: 70,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,289.53 : 128,740.83 = 50,847.96 : x
  2. Step 2: Convert to fraction form
    93,289.53/128,740.83 = 50,847.96/x
  3. Step 3: Cross multiply
    93,289.53x = 128,740.83 × 50,847.96
  4. Step 4: Simplify right side
    93,289.53x = 6,546,208,574.21
  5. Step 5: Solve for x
    x = 6,546,208,574.21/93,289.53
  6. Step 6: Final answer
    x = 70,170.88

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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.