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Finding the Fourth Proportional to 271,779.78, 374,995.71 and 164,347.56

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Solution

The fourth proportional to 271,779.78, 374,995.71 and 164,347.56 is: 226,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,779.78 : 374,995.71 = 164,347.56 : x
  2. Step 2: Convert to fraction form
    271,779.78/374,995.71 = 164,347.56/x
  3. Step 3: Cross multiply
    271,779.78x = 374,995.71 × 164,347.56
  4. Step 4: Simplify right side
    271,779.78x = 61,629,629,948.97
  5. Step 5: Solve for x
    x = 61,629,629,948.97/271,779.78
  6. Step 6: Final answer
    x = 226,763.12

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1.5x scale

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.