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Finding the Fourth Proportional to 192,509.84, 288,745.86 and 59,354.12

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Solution

The fourth proportional to 192,509.84, 288,745.86 and 59,354.12 is: 89,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,509.84 : 288,745.86 = 59,354.12 : x
  2. Step 2: Convert to fraction form
    192,509.84/288,745.86 = 59,354.12/x
  3. Step 3: Cross multiply
    192,509.84x = 288,745.86 × 59,354.12
  4. Step 4: Simplify right side
    192,509.84x = 17,138,256,423.94
  5. Step 5: Solve for x
    x = 17,138,256,423.94/192,509.84
  6. Step 6: Final answer
    x = 89,025.35

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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.