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Finding the Fourth Proportional to 228,184.59, 314,905.83 and 126,209.64

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Solution

The fourth proportional to 228,184.59, 314,905.83 and 126,209.64 is: 174,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,184.59 : 314,905.83 = 126,209.64 : x
  2. Step 2: Convert to fraction form
    228,184.59/314,905.83 = 126,209.64/x
  3. Step 3: Cross multiply
    228,184.59x = 314,905.83 × 126,209.64
  4. Step 4: Simplify right side
    228,184.59x = 39,744,151,438.20
  5. Step 5: Solve for x
    x = 39,744,151,438.20/228,184.59
  6. Step 6: Final answer
    x = 174,175.44

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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.