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Finding the Fourth Proportional to 93,270.69, 128,713.56 and 50,829.19

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Solution

The fourth proportional to 93,270.69, 128,713.56 and 50,829.19 is: 70,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,270.69 : 128,713.56 = 50,829.19 : x
  2. Step 2: Convert to fraction form
    93,270.69/128,713.56 = 50,829.19/x
  3. Step 3: Cross multiply
    93,270.69x = 128,713.56 × 50,829.19
  4. Step 4: Simplify right side
    93,270.69x = 6,542,405,484.42
  5. Step 5: Solve for x
    x = 6,542,405,484.42/93,270.69
  6. Step 6: Final answer
    x = 70,144.28

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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.