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Finding the Fourth Proportional to 163,882.60, 245,900.43 and 84,953.77

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Solution

The fourth proportional to 163,882.60, 245,900.43 and 84,953.77 is: 127,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,882.60 : 245,900.43 = 84,953.77 : x
  2. Step 2: Convert to fraction form
    163,882.60/245,900.43 = 84,953.77/x
  3. Step 3: Cross multiply
    163,882.60x = 245,900.43 × 84,953.77
  4. Step 4: Simplify right side
    163,882.60x = 20,890,168,573.12
  5. Step 5: Solve for x
    x = 20,890,168,573.12/163,882.60
  6. Step 6: Final answer
    x = 127,470.33

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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.