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Finding the Fourth Proportional to 157,544.70, 236,235.45 and 46,722.30

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Solution

The fourth proportional to 157,544.70, 236,235.45 and 46,722.30 is: 70,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,544.70 : 236,235.45 = 46,722.30 : x
  2. Step 2: Convert to fraction form
    157,544.70/236,235.45 = 46,722.30/x
  3. Step 3: Cross multiply
    157,544.70x = 236,235.45 × 46,722.30
  4. Step 4: Simplify right side
    157,544.70x = 11,037,463,565.54
  5. Step 5: Solve for x
    x = 11,037,463,565.54/157,544.70
  6. Step 6: Final answer
    x = 70,059.25

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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.