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Finding the Fourth Proportional to 227,913.98, 314,521.28 and 127,311.98

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Solution

The fourth proportional to 227,913.98, 314,521.28 and 127,311.98 is: 175,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,913.98 : 314,521.28 = 127,311.98 : x
  2. Step 2: Convert to fraction form
    227,913.98/314,521.28 = 127,311.98/x
  3. Step 3: Cross multiply
    227,913.98x = 314,521.28 × 127,311.98
  4. Step 4: Simplify right side
    227,913.98x = 40,042,326,908.93
  5. Step 5: Solve for x
    x = 40,042,326,908.93/227,913.98
  6. Step 6: Final answer
    x = 175,690.53

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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.