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Finding the Fourth Proportional to 201,573.36, 278,166.96 and 110,924.64

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Solution

The fourth proportional to 201,573.36, 278,166.96 and 110,924.64 is: 153,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,573.36 : 278,166.96 = 110,924.64 : x
  2. Step 2: Convert to fraction form
    201,573.36/278,166.96 = 110,924.64/x
  3. Step 3: Cross multiply
    201,573.36x = 278,166.96 × 110,924.64
  4. Step 4: Simplify right side
    201,573.36x = 30,855,569,897.89
  5. Step 5: Solve for x
    x = 30,855,569,897.89/201,573.36
  6. Step 6: Final answer
    x = 153,073.65

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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.