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Finding the Fourth Proportional to 400,162.16, 600,021.66 and 163,670.92

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Solution

The fourth proportional to 400,162.16, 600,021.66 and 163,670.92 is: 245,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,162.16 : 600,021.66 = 163,670.92 : x
  2. Step 2: Convert to fraction form
    400,162.16/600,021.66 = 163,670.92/x
  3. Step 3: Cross multiply
    400,162.16x = 600,021.66 × 163,670.92
  4. Step 4: Simplify right side
    400,162.16x = 98,206,097,112.13
  5. Step 5: Solve for x
    x = 98,206,097,112.13/400,162.16
  6. Step 6: Final answer
    x = 245,415.75

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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.