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Finding the Fourth Proportional to 251,293.56, 346,779.24 and 136,569.48

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Solution

The fourth proportional to 251,293.56, 346,779.24 and 136,569.48 is: 188,462.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,293.56 : 346,779.24 = 136,569.48 : x
  2. Step 2: Convert to fraction form
    251,293.56/346,779.24 = 136,569.48/x
  3. Step 3: Cross multiply
    251,293.56x = 346,779.24 × 136,569.48
  4. Step 4: Simplify right side
    251,293.56x = 47,359,460,481.60
  5. Step 5: Solve for x
    x = 47,359,460,481.60/251,293.56
  6. Step 6: Final answer
    x = 188,462.69

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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.