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Finding the Fourth Proportional to 93,009.44, 128,353.52 and 50,568.32

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Solution

The fourth proportional to 93,009.44, 128,353.52 and 50,568.32 is: 69,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,009.44 : 128,353.52 = 50,568.32 : x
  2. Step 2: Convert to fraction form
    93,009.44/128,353.52 = 50,568.32/x
  3. Step 3: Cross multiply
    93,009.44x = 128,353.52 × 50,568.32
  4. Step 4: Simplify right side
    93,009.44x = 6,490,621,872.49
  5. Step 5: Solve for x
    x = 6,490,621,872.49/93,009.44
  6. Step 6: Final answer
    x = 69,784.55

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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.