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Finding the Fourth Proportional to 223,866.42, 335,797.58 and 90,715.03

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Solution

The fourth proportional to 223,866.42, 335,797.58 and 90,715.03 is: 136,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,866.42 : 335,797.58 = 90,715.03 : x
  2. Step 2: Convert to fraction form
    223,866.42/335,797.58 = 90,715.03/x
  3. Step 3: Cross multiply
    223,866.42x = 335,797.58 × 90,715.03
  4. Step 4: Simplify right side
    223,866.42x = 30,461,887,543.63
  5. Step 5: Solve for x
    x = 30,461,887,543.63/223,866.42
  6. Step 6: Final answer
    x = 136,071.71

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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.