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Finding the Fourth Proportional to 163,811.76, 245,705.64 and 63,953.04

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Solution

The fourth proportional to 163,811.76, 245,705.64 and 63,953.04 is: 95,924.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,811.76 : 245,705.64 = 63,953.04 : x
  2. Step 2: Convert to fraction form
    163,811.76/245,705.64 = 63,953.04/x
  3. Step 3: Cross multiply
    163,811.76x = 245,705.64 × 63,953.04
  4. Step 4: Simplify right side
    163,811.76x = 15,713,622,623.15
  5. Step 5: Solve for x
    x = 15,713,622,623.15/163,811.76
  6. Step 6: Final answer
    x = 95,924.88

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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.