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Finding the Fourth Proportional to 147,166.68, 203,094.36 and 104,223

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Solution

The fourth proportional to 147,166.68, 203,094.36 and 104,223 is: 143,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,166.68 : 203,094.36 = 104,223 : x
  2. Step 2: Convert to fraction form
    147,166.68/203,094.36 = 104,223/x
  3. Step 3: Cross multiply
    147,166.68x = 203,094.36 × 104,223
  4. Step 4: Simplify right side
    147,166.68x = 21,167,103,482.28
  5. Step 5: Solve for x
    x = 21,167,103,482.28/147,166.68
  6. Step 6: Final answer
    x = 143,830.81

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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.