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Finding the Fourth Proportional to 201,207.10, 301,810.65 and 134,722.30

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Solution

The fourth proportional to 201,207.10, 301,810.65 and 134,722.30 is: 202,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,207.10 : 301,810.65 = 134,722.30 : x
  2. Step 2: Convert to fraction form
    201,207.10/301,810.65 = 134,722.30/x
  3. Step 3: Cross multiply
    201,207.10x = 301,810.65 × 134,722.30
  4. Step 4: Simplify right side
    201,207.10x = 40,660,624,932.50
  5. Step 5: Solve for x
    x = 40,660,624,932.50/201,207.10
  6. Step 6: Final answer
    x = 202,083.45

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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.