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Finding the Fourth Proportional to 107,243.88, 160,852.24 and 28,364.32

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Solution

The fourth proportional to 107,243.88, 160,852.24 and 28,364.32 is: 42,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,243.88 : 160,852.24 = 28,364.32 : x
  2. Step 2: Convert to fraction form
    107,243.88/160,852.24 = 28,364.32/x
  3. Step 3: Cross multiply
    107,243.88x = 160,852.24 × 28,364.32
  4. Step 4: Simplify right side
    107,243.88x = 4,562,464,408.08
  5. Step 5: Solve for x
    x = 4,562,464,408.08/107,243.88
  6. Step 6: Final answer
    x = 42,542.89

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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.