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Finding the Fourth Proportional to 216,674.32, 299,090.96 and 163,114.69

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Solution

The fourth proportional to 216,674.32, 299,090.96 and 163,114.69 is: 225,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,674.32 : 299,090.96 = 163,114.69 : x
  2. Step 2: Convert to fraction form
    216,674.32/299,090.96 = 163,114.69/x
  3. Step 3: Cross multiply
    216,674.32x = 299,090.96 × 163,114.69
  4. Step 4: Simplify right side
    216,674.32x = 48,786,129,222.20
  5. Step 5: Solve for x
    x = 48,786,129,222.20/216,674.32
  6. Step 6: Final answer
    x = 225,158.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.