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Finding the Fourth Proportional to 254,649.96, 351,176.06 and 167,280.81

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Solution

The fourth proportional to 254,649.96, 351,176.06 and 167,280.81 is: 230,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,649.96 : 351,176.06 = 167,280.81 : x
  2. Step 2: Convert to fraction form
    254,649.96/351,176.06 = 167,280.81/x
  3. Step 3: Cross multiply
    254,649.96x = 351,176.06 × 167,280.81
  4. Step 4: Simplify right side
    254,649.96x = 58,745,015,769.41
  5. Step 5: Solve for x
    x = 58,745,015,769.41/254,649.96
  6. Step 6: Final answer
    x = 230,689.28

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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.