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Finding the Fourth Proportional to 171,701.40, 257,527.80 and 53,384.70

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Solution

The fourth proportional to 171,701.40, 257,527.80 and 53,384.70 is: 80,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,701.40 : 257,527.80 = 53,384.70 : x
  2. Step 2: Convert to fraction form
    171,701.40/257,527.80 = 53,384.70/x
  3. Step 3: Cross multiply
    171,701.40x = 257,527.80 × 53,384.70
  4. Step 4: Simplify right side
    171,701.40x = 13,748,044,344.66
  5. Step 5: Solve for x
    x = 13,748,044,344.66/171,701.40
  6. Step 6: Final answer
    x = 80,069.49

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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.