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Finding the Fourth Proportional to 208,110.01, 287,161.04 and 122,036.52

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Solution

The fourth proportional to 208,110.01, 287,161.04 and 122,036.52 is: 168,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,110.01 : 287,161.04 = 122,036.52 : x
  2. Step 2: Convert to fraction form
    208,110.01/287,161.04 = 122,036.52/x
  3. Step 3: Cross multiply
    208,110.01x = 287,161.04 × 122,036.52
  4. Step 4: Simplify right side
    208,110.01x = 35,044,134,525.06
  5. Step 5: Solve for x
    x = 35,044,134,525.06/208,110.01
  6. Step 6: Final answer
    x = 168,392.35

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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.