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Finding the Fourth Proportional to 111,360, 167,036.76 and 41,237.76

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Solution

The fourth proportional to 111,360, 167,036.76 and 41,237.76 is: 61,855.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,360 : 167,036.76 = 41,237.76 : x
  2. Step 2: Convert to fraction form
    111,360/167,036.76 = 41,237.76/x
  3. Step 3: Cross multiply
    111,360x = 167,036.76 × 41,237.76
  4. Step 4: Simplify right side
    111,360x = 6,888,221,820.06
  5. Step 5: Solve for x
    x = 6,888,221,820.06/111,360
  6. Step 6: Final answer
    x = 61,855.44

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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.