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Finding the Fourth Proportional to 136,603.04, 204,904.56 and 36,763.46

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Solution

The fourth proportional to 136,603.04, 204,904.56 and 36,763.46 is: 55,145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,603.04 : 204,904.56 = 36,763.46 : x
  2. Step 2: Convert to fraction form
    136,603.04/204,904.56 = 36,763.46/x
  3. Step 3: Cross multiply
    136,603.04x = 204,904.56 × 36,763.46
  4. Step 4: Simplify right side
    136,603.04x = 7,532,999,570.85
  5. Step 5: Solve for x
    x = 7,532,999,570.85/136,603.04
  6. Step 6: Final answer
    x = 55,145.18

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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.