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Finding the Fourth Proportional to 228,156, 314,856.36 and 127,573.44

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Solution

The fourth proportional to 228,156, 314,856.36 and 127,573.44 is: 176,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,156 : 314,856.36 = 127,573.44 : x
  2. Step 2: Convert to fraction form
    228,156/314,856.36 = 127,573.44/x
  3. Step 3: Cross multiply
    228,156x = 314,856.36 × 127,573.44
  4. Step 4: Simplify right side
    228,156x = 40,167,308,951.08
  5. Step 5: Solve for x
    x = 40,167,308,951.08/228,156
  6. Step 6: Final answer
    x = 176,051.95

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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.