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Finding the Fourth Proportional to 163,495.62, 245,248.02 and 45,166.98

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Solution

The fourth proportional to 163,495.62, 245,248.02 and 45,166.98 is: 67,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,495.62 : 245,248.02 = 45,166.98 : x
  2. Step 2: Convert to fraction form
    163,495.62/245,248.02 = 45,166.98/x
  3. Step 3: Cross multiply
    163,495.62x = 245,248.02 × 45,166.98
  4. Step 4: Simplify right side
    163,495.62x = 11,077,112,414.38
  5. Step 5: Solve for x
    x = 11,077,112,414.38/163,495.62
  6. Step 6: Final answer
    x = 67,751.74

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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.