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Finding the Fourth Proportional to 192,345.99, 288,482.75 and 52,086.15

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Solution

The fourth proportional to 192,345.99, 288,482.75 and 52,086.15 is: 78,119.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,345.99 : 288,482.75 = 52,086.15 : x
  2. Step 2: Convert to fraction form
    192,345.99/288,482.75 = 52,086.15/x
  3. Step 3: Cross multiply
    192,345.99x = 288,482.75 × 52,086.15
  4. Step 4: Simplify right side
    192,345.99x = 15,025,955,528.48
  5. Step 5: Solve for x
    x = 15,025,955,528.48/192,345.99
  6. Step 6: Final answer
    x = 78,119.41

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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.