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Finding the Fourth Proportional to 169,483.08, 253,006.17 and 157,179.72

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Solution

The fourth proportional to 169,483.08, 253,006.17 and 157,179.72 is: 234,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,483.08 : 253,006.17 = 157,179.72 : x
  2. Step 2: Convert to fraction form
    169,483.08/253,006.17 = 157,179.72/x
  3. Step 3: Cross multiply
    169,483.08x = 253,006.17 × 157,179.72
  4. Step 4: Simplify right side
    169,483.08x = 39,767,438,958.87
  5. Step 5: Solve for x
    x = 39,767,438,958.87/169,483.08
  6. Step 6: Final answer
    x = 234,639.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.