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Finding the Fourth Proportional to 160,173.77, 221,044.41 and 88,558.40

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Solution

The fourth proportional to 160,173.77, 221,044.41 and 88,558.40 is: 122,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,173.77 : 221,044.41 = 88,558.40 : x
  2. Step 2: Convert to fraction form
    160,173.77/221,044.41 = 88,558.40/x
  3. Step 3: Cross multiply
    160,173.77x = 221,044.41 × 88,558.40
  4. Step 4: Simplify right side
    160,173.77x = 19,575,339,831.16
  5. Step 5: Solve for x
    x = 19,575,339,831.16/160,173.77
  6. Step 6: Final answer
    x = 122,213.15

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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.