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Finding the Fourth Proportional to 228,181.59, 314,901.68 and 126,206.64

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Solution

The fourth proportional to 228,181.59, 314,901.68 and 126,206.64 is: 174,171.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,181.59 : 314,901.68 = 126,206.64 : x
  2. Step 2: Convert to fraction form
    228,181.59/314,901.68 = 126,206.64/x
  3. Step 3: Cross multiply
    228,181.59x = 314,901.68 × 126,206.64
  4. Step 4: Simplify right side
    228,181.59x = 39,742,682,332.12
  5. Step 5: Solve for x
    x = 39,742,682,332.12/228,181.59
  6. Step 6: Final answer
    x = 174,171.29

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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.