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Finding the Fourth Proportional to 228,164.54, 314,869.16 and 126,184.73

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Solution

The fourth proportional to 228,164.54, 314,869.16 and 126,184.73 is: 174,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,164.54 : 314,869.16 = 126,184.73 : x
  2. Step 2: Convert to fraction form
    228,164.54/314,869.16 = 126,184.73/x
  3. Step 3: Cross multiply
    228,164.54x = 314,869.16 × 126,184.73
  4. Step 4: Simplify right side
    228,164.54x = 39,731,679,309.00
  5. Step 5: Solve for x
    x = 39,731,679,309.00/228,164.54
  6. Step 6: Final answer
    x = 174,136.08

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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.