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Finding the Fourth Proportional to 250,958.04, 346,170.06 and 148,916.40

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Solution

The fourth proportional to 250,958.04, 346,170.06 and 148,916.40 is: 205,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,958.04 : 346,170.06 = 148,916.40 : x
  2. Step 2: Convert to fraction form
    250,958.04/346,170.06 = 148,916.40/x
  3. Step 3: Cross multiply
    250,958.04x = 346,170.06 × 148,916.40
  4. Step 4: Simplify right side
    250,958.04x = 51,550,399,122.98
  5. Step 5: Solve for x
    x = 51,550,399,122.98/250,958.04
  6. Step 6: Final answer
    x = 205,414.42

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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.