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Finding the Fourth Proportional to 192,643.72, 288,884.27 and 57,726.93

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Solution

The fourth proportional to 192,643.72, 288,884.27 and 57,726.93 is: 86,566.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,643.72 : 288,884.27 = 57,726.93 : x
  2. Step 2: Convert to fraction form
    192,643.72/288,884.27 = 57,726.93/x
  3. Step 3: Cross multiply
    192,643.72x = 288,884.27 × 57,726.93
  4. Step 4: Simplify right side
    192,643.72x = 16,676,401,635.05
  5. Step 5: Solve for x
    x = 16,676,401,635.05/192,643.72
  6. Step 6: Final answer
    x = 86,566.03

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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.