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Finding the Fourth Proportional to 93,456.75, 128,970.44 and 59,922.75

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Solution

The fourth proportional to 93,456.75, 128,970.44 and 59,922.75 is: 82,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,456.75 : 128,970.44 = 59,922.75 : x
  2. Step 2: Convert to fraction form
    93,456.75/128,970.44 = 59,922.75/x
  3. Step 3: Cross multiply
    93,456.75x = 128,970.44 × 59,922.75
  4. Step 4: Simplify right side
    93,456.75x = 7,728,263,133.90
  5. Step 5: Solve for x
    x = 7,728,263,133.90/93,456.75
  6. Step 6: Final answer
    x = 82,693.47

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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.