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Finding the Fourth Proportional to 182,398.77, 251,699.81 and 101,831.40

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Solution

The fourth proportional to 182,398.77, 251,699.81 and 101,831.40 is: 140,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,398.77 : 251,699.81 = 101,831.40 : x
  2. Step 2: Convert to fraction form
    182,398.77/251,699.81 = 101,831.40/x
  3. Step 3: Cross multiply
    182,398.77x = 251,699.81 × 101,831.40
  4. Step 4: Simplify right side
    182,398.77x = 25,630,943,522.88
  5. Step 5: Solve for x
    x = 25,630,943,522.88/182,398.77
  6. Step 6: Final answer
    x = 140,521.47

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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.