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Finding the Fourth Proportional to 163,797.74, 245,697.98 and 45,478.31

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Solution

The fourth proportional to 163,797.74, 245,697.98 and 45,478.31 is: 68,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,797.74 : 245,697.98 = 45,478.31 : x
  2. Step 2: Convert to fraction form
    163,797.74/245,697.98 = 45,478.31/x
  3. Step 3: Cross multiply
    163,797.74x = 245,697.98 × 45,478.31
  4. Step 4: Simplify right side
    163,797.74x = 11,173,927,444.93
  5. Step 5: Solve for x
    x = 11,173,927,444.93/163,797.74
  6. Step 6: Final answer
    x = 68,217.84

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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.