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Finding the Fourth Proportional to 540,014.80, 810,022.20 and 166,037.80

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Solution

The fourth proportional to 540,014.80, 810,022.20 and 166,037.80 is: 249,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,014.80 : 810,022.20 = 166,037.80 : x
  2. Step 2: Convert to fraction form
    540,014.80/810,022.20 = 166,037.80/x
  3. Step 3: Cross multiply
    540,014.80x = 810,022.20 × 166,037.80
  4. Step 4: Simplify right side
    540,014.80x = 134,494,304,039.16
  5. Step 5: Solve for x
    x = 134,494,304,039.16/540,014.80
  6. Step 6: Final answer
    x = 249,056.70

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Similar ratio
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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.