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Finding the Fourth Proportional to 170,270.47, 255,404.31 and 63,681.31

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Solution

The fourth proportional to 170,270.47, 255,404.31 and 63,681.31 is: 95,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,270.47 : 255,404.31 = 63,681.31 : x
  2. Step 2: Convert to fraction form
    170,270.47/255,404.31 = 63,681.31/x
  3. Step 3: Cross multiply
    170,270.47x = 255,404.31 × 63,681.31
  4. Step 4: Simplify right side
    170,270.47x = 16,264,481,040.45
  5. Step 5: Solve for x
    x = 16,264,481,040.45/170,270.47
  6. Step 6: Final answer
    x = 95,521.44

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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.