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Finding the Fourth Proportional to 192,995.66, 266,303.01 and 121,324.94

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Solution

The fourth proportional to 192,995.66, 266,303.01 and 121,324.94 is: 167,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,995.66 : 266,303.01 = 121,324.94 : x
  2. Step 2: Convert to fraction form
    192,995.66/266,303.01 = 121,324.94/x
  3. Step 3: Cross multiply
    192,995.66x = 266,303.01 × 121,324.94
  4. Step 4: Simplify right side
    192,995.66x = 32,309,196,710.07
  5. Step 5: Solve for x
    x = 32,309,196,710.07/192,995.66
  6. Step 6: Final answer
    x = 167,408.93

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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.