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Finding the Fourth Proportional to 111,284.95, 153,573.01 and 60,299.06

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Solution

The fourth proportional to 111,284.95, 153,573.01 and 60,299.06 is: 83,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,284.95 : 153,573.01 = 60,299.06 : x
  2. Step 2: Convert to fraction form
    111,284.95/153,573.01 = 60,299.06/x
  3. Step 3: Cross multiply
    111,284.95x = 153,573.01 × 60,299.06
  4. Step 4: Simplify right side
    111,284.95x = 9,260,308,144.37
  5. Step 5: Solve for x
    x = 9,260,308,144.37/111,284.95
  6. Step 6: Final answer
    x = 83,212.58

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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.