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Finding the Fourth Proportional to 163,751.67, 245,627.49 and 45,423.02

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Solution

The fourth proportional to 163,751.67, 245,627.49 and 45,423.02 is: 68,134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,751.67 : 245,627.49 = 45,423.02 : x
  2. Step 2: Convert to fraction form
    163,751.67/245,627.49 = 45,423.02/x
  3. Step 3: Cross multiply
    163,751.67x = 245,627.49 × 45,423.02
  4. Step 4: Simplify right side
    163,751.67x = 11,157,142,390.82
  5. Step 5: Solve for x
    x = 11,157,142,390.82/163,751.67
  6. Step 6: Final answer
    x = 68,134.53

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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.