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Finding the Fourth Proportional to 171,703.40, 257,574.30 and 53,373.80

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Solution

The fourth proportional to 171,703.40, 257,574.30 and 53,373.80 is: 80,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,703.40 : 257,574.30 = 53,373.80 : x
  2. Step 2: Convert to fraction form
    171,703.40/257,574.30 = 53,373.80/x
  3. Step 3: Cross multiply
    171,703.40x = 257,574.30 × 53,373.80
  4. Step 4: Simplify right side
    171,703.40x = 13,747,719,173.34
  5. Step 5: Solve for x
    x = 13,747,719,173.34/171,703.40
  6. Step 6: Final answer
    x = 80,066.67

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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.