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Finding the Fourth Proportional to 163,775.79, 245,611.44 and 63,911.70

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Solution

The fourth proportional to 163,775.79, 245,611.44 and 63,911.70 is: 95,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,775.79 : 245,611.44 = 63,911.70 : x
  2. Step 2: Convert to fraction form
    163,775.79/245,611.44 = 63,911.70/x
  3. Step 3: Cross multiply
    163,775.79x = 245,611.44 × 63,911.70
  4. Step 4: Simplify right side
    163,775.79x = 15,697,444,669.85
  5. Step 5: Solve for x
    x = 15,697,444,669.85/163,775.79
  6. Step 6: Final answer
    x = 95,847.16

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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.