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Finding the Fourth Proportional to 540,031.80, 810,047.70 and 166,054.80

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Solution

The fourth proportional to 540,031.80, 810,047.70 and 166,054.80 is: 249,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,031.80 : 810,047.70 = 166,054.80 : x
  2. Step 2: Convert to fraction form
    540,031.80/810,047.70 = 166,054.80/x
  3. Step 3: Cross multiply
    540,031.80x = 810,047.70 × 166,054.80
  4. Step 4: Simplify right side
    540,031.80x = 134,512,308,813.96
  5. Step 5: Solve for x
    x = 134,512,308,813.96/540,031.80
  6. Step 6: Final answer
    x = 249,082.20

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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.