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Finding the Fourth Proportional to 248,123.40, 342,400.41 and 134,946.24

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Solution

The fourth proportional to 248,123.40, 342,400.41 and 134,946.24 is: 186,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,123.40 : 342,400.41 = 134,946.24 : x
  2. Step 2: Convert to fraction form
    248,123.40/342,400.41 = 134,946.24/x
  3. Step 3: Cross multiply
    248,123.40x = 342,400.41 × 134,946.24
  4. Step 4: Simplify right side
    248,123.40x = 46,205,647,903.96
  5. Step 5: Solve for x
    x = 46,205,647,903.96/248,123.40
  6. Step 6: Final answer
    x = 186,220.44

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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.