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Finding the Fourth Proportional to 163,602.91, 245,397.23 and 51,280.57

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Solution

The fourth proportional to 163,602.91, 245,397.23 and 51,280.57 is: 76,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,602.91 : 245,397.23 = 51,280.57 : x
  2. Step 2: Convert to fraction form
    163,602.91/245,397.23 = 51,280.57/x
  3. Step 3: Cross multiply
    163,602.91x = 245,397.23 × 51,280.57
  4. Step 4: Simplify right side
    163,602.91x = 12,584,108,347.43
  5. Step 5: Solve for x
    x = 12,584,108,347.43/163,602.91
  6. Step 6: Final answer
    x = 76,918.61

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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.