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Finding the Fourth Proportional to 218,762.25, 328,144.74 and 60,992.07

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Solution

The fourth proportional to 218,762.25, 328,144.74 and 60,992.07 is: 91,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,762.25 : 328,144.74 = 60,992.07 : x
  2. Step 2: Convert to fraction form
    218,762.25/328,144.74 = 60,992.07/x
  3. Step 3: Cross multiply
    218,762.25x = 328,144.74 × 60,992.07
  4. Step 4: Simplify right side
    218,762.25x = 20,014,226,952.21
  5. Step 5: Solve for x
    x = 20,014,226,952.21/218,762.25
  6. Step 6: Final answer
    x = 91,488.49

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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.