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Finding the Fourth Proportional to 163,803.60, 245,655.84 and 63,936.72

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Solution

The fourth proportional to 163,803.60, 245,655.84 and 63,936.72 is: 95,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,803.60 : 245,655.84 = 63,936.72 : x
  2. Step 2: Convert to fraction form
    163,803.60/245,655.84 = 63,936.72/x
  3. Step 3: Cross multiply
    163,803.60x = 245,655.84 × 63,936.72
  4. Step 4: Simplify right side
    163,803.60x = 15,706,428,658.44
  5. Step 5: Solve for x
    x = 15,706,428,658.44/163,803.60
  6. Step 6: Final answer
    x = 95,885.74

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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.