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Finding the Fourth Proportional to 270,248, 373,029.72 and 169,646

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Solution

The fourth proportional to 270,248, 373,029.72 and 169,646 is: 234,166.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,248 : 373,029.72 = 169,646 : x
  2. Step 2: Convert to fraction form
    270,248/373,029.72 = 169,646/x
  3. Step 3: Cross multiply
    270,248x = 373,029.72 × 169,646
  4. Step 4: Simplify right side
    270,248x = 63,282,999,879.12
  5. Step 5: Solve for x
    x = 63,282,999,879.12/270,248
  6. Step 6: Final answer
    x = 234,166.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.