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Finding the Fourth Proportional to 201,443.85, 277,993.06 and 110,809.10

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Solution

The fourth proportional to 201,443.85, 277,993.06 and 110,809.10 is: 152,916.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,443.85 : 277,993.06 = 110,809.10 : x
  2. Step 2: Convert to fraction form
    201,443.85/277,993.06 = 110,809.10/x
  3. Step 3: Cross multiply
    201,443.85x = 277,993.06 × 110,809.10
  4. Step 4: Simplify right side
    201,443.85x = 30,804,159,394.88
  5. Step 5: Solve for x
    x = 30,804,159,394.88/201,443.85
  6. Step 6: Final answer
    x = 152,916.86

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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.