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Finding the Fourth Proportional to 68,323.56, 102,497.66 and 30,901.32

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Solution

The fourth proportional to 68,323.56, 102,497.66 and 30,901.32 is: 46,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,323.56 : 102,497.66 = 30,901.32 : x
  2. Step 2: Convert to fraction form
    68,323.56/102,497.66 = 30,901.32/x
  3. Step 3: Cross multiply
    68,323.56x = 102,497.66 × 30,901.32
  4. Step 4: Simplify right side
    68,323.56x = 3,167,312,990.91
  5. Step 5: Solve for x
    x = 3,167,312,990.91/68,323.56
  6. Step 6: Final answer
    x = 46,357.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.