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Finding the Fourth Proportional to 227,059.60, 340,630.80 and 77,292.76

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Solution

The fourth proportional to 227,059.60, 340,630.80 and 77,292.76 is: 115,953.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,059.60 : 340,630.80 = 77,292.76 : x
  2. Step 2: Convert to fraction form
    227,059.60/340,630.80 = 77,292.76/x
  3. Step 3: Cross multiply
    227,059.60x = 340,630.80 × 77,292.76
  4. Step 4: Simplify right side
    227,059.60x = 26,328,294,673.01
  5. Step 5: Solve for x
    x = 26,328,294,673.01/227,059.60
  6. Step 6: Final answer
    x = 115,953.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.