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Finding the Fourth Proportional to 228,226.76, 314,951.08 and 127,624.76

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Solution

The fourth proportional to 228,226.76, 314,951.08 and 127,624.76 is: 176,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,226.76 : 314,951.08 = 127,624.76 : x
  2. Step 2: Convert to fraction form
    228,226.76/314,951.08 = 127,624.76/x
  3. Step 3: Cross multiply
    228,226.76x = 314,951.08 × 127,624.76
  4. Step 4: Simplify right side
    228,226.76x = 40,195,555,996.74
  5. Step 5: Solve for x
    x = 40,195,555,996.74/228,226.76
  6. Step 6: Final answer
    x = 176,121.13

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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.