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Finding the Fourth Proportional to 251,188.40, 376,831.20 and 73,701.20

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Solution

The fourth proportional to 251,188.40, 376,831.20 and 73,701.20 is: 110,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,188.40 : 376,831.20 = 73,701.20 : x
  2. Step 2: Convert to fraction form
    251,188.40/376,831.20 = 73,701.20/x
  3. Step 3: Cross multiply
    251,188.40x = 376,831.20 × 73,701.20
  4. Step 4: Simplify right side
    251,188.40x = 27,772,911,637.44
  5. Step 5: Solve for x
    x = 27,772,911,637.44/251,188.40
  6. Step 6: Final answer
    x = 110,566.06

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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.