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Finding the Fourth Proportional to 228,217.02, 314,939.25 and 127,615.02

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Solution

The fourth proportional to 228,217.02, 314,939.25 and 127,615.02 is: 176,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,217.02 : 314,939.25 = 127,615.02 : x
  2. Step 2: Convert to fraction form
    228,217.02/314,939.25 = 127,615.02/x
  3. Step 3: Cross multiply
    228,217.02x = 314,939.25 × 127,615.02
  4. Step 4: Simplify right side
    228,217.02x = 40,190,978,687.54
  5. Step 5: Solve for x
    x = 40,190,978,687.54/228,217.02
  6. Step 6: Final answer
    x = 176,108.59

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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.