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Finding the Fourth Proportional to 118,852.93, 163,922.56 and 101,007.01

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Solution

The fourth proportional to 118,852.93, 163,922.56 and 101,007.01 is: 139,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,852.93 : 163,922.56 = 101,007.01 : x
  2. Step 2: Convert to fraction form
    118,852.93/163,922.56 = 101,007.01/x
  3. Step 3: Cross multiply
    118,852.93x = 163,922.56 × 101,007.01
  4. Step 4: Simplify right side
    118,852.93x = 16,557,327,657.15
  5. Step 5: Solve for x
    x = 16,557,327,657.15/118,852.93
  6. Step 6: Final answer
    x = 139,309.38

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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.