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Finding the Fourth Proportional to 228,076.71, 314,740.29 and 126,099.52

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Solution

The fourth proportional to 228,076.71, 314,740.29 and 126,099.52 is: 174,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,076.71 : 314,740.29 = 126,099.52 : x
  2. Step 2: Convert to fraction form
    228,076.71/314,740.29 = 126,099.52/x
  3. Step 3: Cross multiply
    228,076.71x = 314,740.29 × 126,099.52
  4. Step 4: Simplify right side
    228,076.71x = 39,688,599,493.66
  5. Step 5: Solve for x
    x = 39,688,599,493.66/228,076.71
  6. Step 6: Final answer
    x = 174,014.26

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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.