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Finding the Fourth Proportional to 118,851.93, 163,921.19 and 101,006.01

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Solution

The fourth proportional to 118,851.93, 163,921.19 and 101,006.01 is: 139,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,851.93 : 163,921.19 = 101,006.01 : x
  2. Step 2: Convert to fraction form
    118,851.93/163,921.19 = 101,006.01/x
  3. Step 3: Cross multiply
    118,851.93x = 163,921.19 × 101,006.01
  4. Step 4: Simplify right side
    118,851.93x = 16,557,024,851.32
  5. Step 5: Solve for x
    x = 16,557,024,851.32/118,851.93
  6. Step 6: Final answer
    x = 139,308.00

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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.