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Finding the Fourth Proportional to 452,995.95, 679,494.06 and 133,147.87

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Solution

The fourth proportional to 452,995.95, 679,494.06 and 133,147.87 is: 199,721.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,995.95 : 679,494.06 = 133,147.87 : x
  2. Step 2: Convert to fraction form
    452,995.95/679,494.06 = 133,147.87/x
  3. Step 3: Cross multiply
    452,995.95x = 679,494.06 × 133,147.87
  4. Step 4: Simplify right side
    452,995.95x = 90,473,186,766.65
  5. Step 5: Solve for x
    x = 90,473,186,766.65/452,995.95
  6. Step 6: Final answer
    x = 199,721.84

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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.