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Finding the Fourth Proportional to 374,080.70, 561,011.70 and 134,166.80

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Solution

The fourth proportional to 374,080.70, 561,011.70 and 134,166.80 is: 201,210.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,080.70 : 561,011.70 = 134,166.80 : x
  2. Step 2: Convert to fraction form
    374,080.70/561,011.70 = 134,166.80/x
  3. Step 3: Cross multiply
    374,080.70x = 561,011.70 × 134,166.80
  4. Step 4: Simplify right side
    374,080.70x = 75,269,144,551.56
  5. Step 5: Solve for x
    x = 75,269,144,551.56/374,080.70
  6. Step 6: Final answer
    x = 201,210.98

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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.