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Finding the Fourth Proportional to 201,988.50, 302,994.90 and 61,748.34

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Solution

The fourth proportional to 201,988.50, 302,994.90 and 61,748.34 is: 92,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,988.50 : 302,994.90 = 61,748.34 : x
  2. Step 2: Convert to fraction form
    201,988.50/302,994.90 = 61,748.34/x
  3. Step 3: Cross multiply
    201,988.50x = 302,994.90 × 61,748.34
  4. Step 4: Simplify right side
    201,988.50x = 18,709,432,103.47
  5. Step 5: Solve for x
    x = 18,709,432,103.47/201,988.50
  6. Step 6: Final answer
    x = 92,626.22

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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.