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Finding the Fourth Proportional to 266,324.51, 399,488.27 and 88,831.03

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Solution

The fourth proportional to 266,324.51, 399,488.27 and 88,831.03 is: 133,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,324.51 : 399,488.27 = 88,831.03 : x
  2. Step 2: Convert to fraction form
    266,324.51/399,488.27 = 88,831.03/x
  3. Step 3: Cross multiply
    266,324.51x = 399,488.27 × 88,831.03
  4. Step 4: Simplify right side
    266,324.51x = 35,486,953,054.14
  5. Step 5: Solve for x
    x = 35,486,953,054.14/266,324.51
  6. Step 6: Final answer
    x = 133,247.04

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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.