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Finding the Fourth Proportional to 171,510.70, 257,266.05 and 46,851.70

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Solution

The fourth proportional to 171,510.70, 257,266.05 and 46,851.70 is: 70,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,510.70 : 257,266.05 = 46,851.70 : x
  2. Step 2: Convert to fraction form
    171,510.70/257,266.05 = 46,851.70/x
  3. Step 3: Cross multiply
    171,510.70x = 257,266.05 × 46,851.70
  4. Step 4: Simplify right side
    171,510.70x = 12,053,351,794.79
  5. Step 5: Solve for x
    x = 12,053,351,794.79/171,510.70
  6. Step 6: Final answer
    x = 70,277.55

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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.