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Finding the Fourth Proportional to 227,580.60, 314,054.70 and 126,976.44

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Solution

The fourth proportional to 227,580.60, 314,054.70 and 126,976.44 is: 175,223.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,580.60 : 314,054.70 = 126,976.44 : x
  2. Step 2: Convert to fraction form
    227,580.60/314,054.70 = 126,976.44/x
  3. Step 3: Cross multiply
    227,580.60x = 314,054.70 × 126,976.44
  4. Step 4: Simplify right side
    227,580.60x = 39,877,547,771.27
  5. Step 5: Solve for x
    x = 39,877,547,771.27/227,580.60
  6. Step 6: Final answer
    x = 175,223.84

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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.