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Finding the Fourth Proportional to 201,446.10, 302,401.95 and 108,134.10

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Solution

The fourth proportional to 201,446.10, 302,401.95 and 108,134.10 is: 162,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,446.10 : 302,401.95 = 108,134.10 : x
  2. Step 2: Convert to fraction form
    201,446.10/302,401.95 = 108,134.10/x
  3. Step 3: Cross multiply
    201,446.10x = 302,401.95 × 108,134.10
  4. Step 4: Simplify right side
    201,446.10x = 32,699,962,701.50
  5. Step 5: Solve for x
    x = 32,699,962,701.50/201,446.10
  6. Step 6: Final answer
    x = 162,326.11

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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.