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Finding the Fourth Proportional to 157,138.92, 235,745.82 and 46,330.92

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Solution

The fourth proportional to 157,138.92, 235,745.82 and 46,330.92 is: 69,507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,138.92 : 235,745.82 = 46,330.92 : x
  2. Step 2: Convert to fraction form
    157,138.92/235,745.82 = 46,330.92/x
  3. Step 3: Cross multiply
    157,138.92x = 235,745.82 × 46,330.92
  4. Step 4: Simplify right side
    157,138.92x = 10,922,320,726.75
  5. Step 5: Solve for x
    x = 10,922,320,726.75/157,138.92
  6. Step 6: Final answer
    x = 69,507.42

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1.5x scale

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.