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Finding the Fourth Proportional to 201,442.85, 277,991.68 and 110,808.10

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Solution

The fourth proportional to 201,442.85, 277,991.68 and 110,808.10 is: 152,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,442.85 : 277,991.68 = 110,808.10 : x
  2. Step 2: Convert to fraction form
    201,442.85/277,991.68 = 110,808.10/x
  3. Step 3: Cross multiply
    201,442.85x = 277,991.68 × 110,808.10
  4. Step 4: Simplify right side
    201,442.85x = 30,803,728,486.65
  5. Step 5: Solve for x
    x = 30,803,728,486.65/201,442.85
  6. Step 6: Final answer
    x = 152,915.48

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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.