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Finding the Fourth Proportional to 163,599.25, 245,404.34 and 45,260.68

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Solution

The fourth proportional to 163,599.25, 245,404.34 and 45,260.68 is: 67,892.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,599.25 : 245,404.34 = 45,260.68 : x
  2. Step 2: Convert to fraction form
    163,599.25/245,404.34 = 45,260.68/x
  3. Step 3: Cross multiply
    163,599.25x = 245,404.34 × 45,260.68
  4. Step 4: Simplify right side
    163,599.25x = 11,107,167,303.35
  5. Step 5: Solve for x
    x = 11,107,167,303.35/163,599.25
  6. Step 6: Final answer
    x = 67,892.53

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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.