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Finding the Fourth Proportional to 93,270.38, 128,714.03 and 50,829.82

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Solution

The fourth proportional to 93,270.38, 128,714.03 and 50,829.82 is: 70,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,270.38 : 128,714.03 = 50,829.82 : x
  2. Step 2: Convert to fraction form
    93,270.38/128,714.03 = 50,829.82/x
  3. Step 3: Cross multiply
    93,270.38x = 128,714.03 × 50,829.82
  4. Step 4: Simplify right side
    93,270.38x = 6,542,510,591.05
  5. Step 5: Solve for x
    x = 6,542,510,591.05/93,270.38
  6. Step 6: Final answer
    x = 70,145.64

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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.