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Finding the Fourth Proportional to 192,505.20, 288,779.40 and 59,384.40

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Solution

The fourth proportional to 192,505.20, 288,779.40 and 59,384.40 is: 89,083.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,505.20 : 288,779.40 = 59,384.40 : x
  2. Step 2: Convert to fraction form
    192,505.20/288,779.40 = 59,384.40/x
  3. Step 3: Cross multiply
    192,505.20x = 288,779.40 × 59,384.40
  4. Step 4: Simplify right side
    192,505.20x = 17,148,991,401.36
  5. Step 5: Solve for x
    x = 17,148,991,401.36/192,505.20
  6. Step 6: Final answer
    x = 89,083.26

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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.