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Finding the Fourth Proportional to 163,835.81, 245,752.29 and 45,506.96

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Solution

The fourth proportional to 163,835.81, 245,752.29 and 45,506.96 is: 68,260.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,835.81 : 245,752.29 = 45,506.96 : x
  2. Step 2: Convert to fraction form
    163,835.81/245,752.29 = 45,506.96/x
  3. Step 3: Cross multiply
    163,835.81x = 245,752.29 × 45,506.96
  4. Step 4: Simplify right side
    163,835.81x = 11,183,438,402.18
  5. Step 5: Solve for x
    x = 11,183,438,402.18/163,835.81
  6. Step 6: Final answer
    x = 68,260.04

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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.