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Finding the Fourth Proportional to 93,285.44, 128,733.72 and 50,843.84

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Solution

The fourth proportional to 93,285.44, 128,733.72 and 50,843.84 is: 70,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,285.44 : 128,733.72 = 50,843.84 : x
  2. Step 2: Convert to fraction form
    93,285.44/128,733.72 = 50,843.84/x
  3. Step 3: Cross multiply
    93,285.44x = 128,733.72 × 50,843.84
  4. Step 4: Simplify right side
    93,285.44x = 6,545,316,662.28
  5. Step 5: Solve for x
    x = 6,545,316,662.28/93,285.44
  6. Step 6: Final answer
    x = 70,164.40

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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.