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Finding the Fourth Proportional to 216,777.06, 325,199.34 and 128,094.48

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Solution

The fourth proportional to 216,777.06, 325,199.34 and 128,094.48 is: 192,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,777.06 : 325,199.34 = 128,094.48 : x
  2. Step 2: Convert to fraction form
    216,777.06/325,199.34 = 128,094.48/x
  3. Step 3: Cross multiply
    216,777.06x = 325,199.34 × 128,094.48
  4. Step 4: Simplify right side
    216,777.06x = 41,656,240,353.64
  5. Step 5: Solve for x
    x = 41,656,240,353.64/216,777.06
  6. Step 6: Final answer
    x = 192,161.66

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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.