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Finding the Fourth Proportional to 171,488.70, 257,233.05 and 46,829.70

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Solution

The fourth proportional to 171,488.70, 257,233.05 and 46,829.70 is: 70,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,488.70 : 257,233.05 = 46,829.70 : x
  2. Step 2: Convert to fraction form
    171,488.70/257,233.05 = 46,829.70/x
  3. Step 3: Cross multiply
    171,488.70x = 257,233.05 × 46,829.70
  4. Step 4: Simplify right side
    171,488.70x = 12,046,146,561.59
  5. Step 5: Solve for x
    x = 12,046,146,561.59/171,488.70
  6. Step 6: Final answer
    x = 70,244.55

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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.