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Finding the Fourth Proportional to 228,112.47, 342,227.03 and 94,948.47

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Solution

The fourth proportional to 228,112.47, 342,227.03 and 94,948.47 is: 142,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,112.47 : 342,227.03 = 94,948.47 : x
  2. Step 2: Convert to fraction form
    228,112.47/342,227.03 = 94,948.47/x
  3. Step 3: Cross multiply
    228,112.47x = 342,227.03 × 94,948.47
  4. Step 4: Simplify right side
    228,112.47x = 32,493,932,416.40
  5. Step 5: Solve for x
    x = 32,493,932,416.40/228,112.47
  6. Step 6: Final answer
    x = 142,446.98

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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.