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Finding the Fourth Proportional to 163,596.96, 245,400.91 and 45,258.39

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Solution

The fourth proportional to 163,596.96, 245,400.91 and 45,258.39 is: 67,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,596.96 : 245,400.91 = 45,258.39 : x
  2. Step 2: Convert to fraction form
    163,596.96/245,400.91 = 45,258.39/x
  3. Step 3: Cross multiply
    163,596.96x = 245,400.91 × 45,258.39
  4. Step 4: Simplify right side
    163,596.96x = 11,106,449,977.99
  5. Step 5: Solve for x
    x = 11,106,449,977.99/163,596.96
  6. Step 6: Final answer
    x = 67,889.10

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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.