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Finding the Fourth Proportional to 124,578.90, 186,831.90 and 44,607.60

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Solution

The fourth proportional to 124,578.90, 186,831.90 and 44,607.60 is: 66,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,578.90 : 186,831.90 = 44,607.60 : x
  2. Step 2: Convert to fraction form
    124,578.90/186,831.90 = 44,607.60/x
  3. Step 3: Cross multiply
    124,578.90x = 186,831.90 × 44,607.60
  4. Step 4: Simplify right side
    124,578.90x = 8,334,122,662.44
  5. Step 5: Solve for x
    x = 8,334,122,662.44/124,578.90
  6. Step 6: Final answer
    x = 66,898.35

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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.