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Finding the Fourth Proportional to 93,052.58, 128,412.90 and 50,611.16

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Solution

The fourth proportional to 93,052.58, 128,412.90 and 50,611.16 is: 69,843.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,052.58 : 128,412.90 = 50,611.16 : x
  2. Step 2: Convert to fraction form
    93,052.58/128,412.90 = 50,611.16/x
  3. Step 3: Cross multiply
    93,052.58x = 128,412.90 × 50,611.16
  4. Step 4: Simplify right side
    93,052.58x = 6,499,125,827.96
  5. Step 5: Solve for x
    x = 6,499,125,827.96/93,052.58
  6. Step 6: Final answer
    x = 69,843.59

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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.