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Finding the Fourth Proportional to 228,160.31, 314,861.94 and 127,558.31

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Solution

The fourth proportional to 228,160.31, 314,861.94 and 127,558.31 is: 176,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,160.31 : 314,861.94 = 127,558.31 : x
  2. Step 2: Convert to fraction form
    228,160.31/314,861.94 = 127,558.31/x
  3. Step 3: Cross multiply
    228,160.31x = 314,861.94 × 127,558.31
  4. Step 4: Simplify right side
    228,160.31x = 40,163,255,375.41
  5. Step 5: Solve for x
    x = 40,163,255,375.41/228,160.31
  6. Step 6: Final answer
    x = 176,030.86

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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.