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Finding the Fourth Proportional to 201,638.90, 302,458.35 and 96,662.90

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Solution

The fourth proportional to 201,638.90, 302,458.35 and 96,662.90 is: 144,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,638.90 : 302,458.35 = 96,662.90 : x
  2. Step 2: Convert to fraction form
    201,638.90/302,458.35 = 96,662.90/x
  3. Step 3: Cross multiply
    201,638.90x = 302,458.35 × 96,662.90
  4. Step 4: Simplify right side
    201,638.90x = 29,236,501,240.22
  5. Step 5: Solve for x
    x = 29,236,501,240.22/201,638.90
  6. Step 6: Final answer
    x = 144,994.35

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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.