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Finding the Fourth Proportional to 228,067.64, 314,732.56 and 127,465.64

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Solution

The fourth proportional to 228,067.64, 314,732.56 and 127,465.64 is: 175,902.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,067.64 : 314,732.56 = 127,465.64 : x
  2. Step 2: Convert to fraction form
    228,067.64/314,732.56 = 127,465.64/x
  3. Step 3: Cross multiply
    228,067.64x = 314,732.56 × 127,465.64
  4. Step 4: Simplify right side
    228,067.64x = 40,117,587,189.24
  5. Step 5: Solve for x
    x = 40,117,587,189.24/228,067.64
  6. Step 6: Final answer
    x = 175,902.15

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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.