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Finding the Fourth Proportional to 228,182.59, 314,903.06 and 126,207.64

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Solution

The fourth proportional to 228,182.59, 314,903.06 and 126,207.64 is: 174,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,182.59 : 314,903.06 = 126,207.64 : x
  2. Step 2: Convert to fraction form
    228,182.59/314,903.06 = 126,207.64/x
  3. Step 3: Cross multiply
    228,182.59x = 314,903.06 × 126,207.64
  4. Step 4: Simplify right side
    228,182.59x = 39,743,172,031.38
  5. Step 5: Solve for x
    x = 39,743,172,031.38/228,182.59
  6. Step 6: Final answer
    x = 174,172.67

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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.