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Finding the Fourth Proportional to 228,162.31, 314,851.59 and 126,181.81

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Solution

The fourth proportional to 228,162.31, 314,851.59 and 126,181.81 is: 174,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,162.31 : 314,851.59 = 126,181.81 : x
  2. Step 2: Convert to fraction form
    228,162.31/314,851.59 = 126,181.81/x
  3. Step 3: Cross multiply
    228,162.31x = 314,851.59 × 126,181.81
  4. Step 4: Simplify right side
    228,162.31x = 39,728,543,901.14
  5. Step 5: Solve for x
    x = 39,728,543,901.14/228,162.31
  6. Step 6: Final answer
    x = 174,124.05

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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.