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Finding the Fourth Proportional to 269,193.62, 371,482.53 and 156,026.90

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Solution

The fourth proportional to 269,193.62, 371,482.53 and 156,026.90 is: 215,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,193.62 : 371,482.53 = 156,026.90 : x
  2. Step 2: Convert to fraction form
    269,193.62/371,482.53 = 156,026.90/x
  3. Step 3: Cross multiply
    269,193.62x = 371,482.53 × 156,026.90
  4. Step 4: Simplify right side
    269,193.62x = 57,961,267,560.06
  5. Step 5: Solve for x
    x = 57,961,267,560.06/269,193.62
  6. Step 6: Final answer
    x = 215,314.42

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1.5x scale

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.