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Finding the Fourth Proportional to 169,124.88, 232,861.23 and 143,578.32

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Solution

The fourth proportional to 169,124.88, 232,861.23 and 143,578.32 is: 197,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,124.88 : 232,861.23 = 143,578.32 : x
  2. Step 2: Convert to fraction form
    169,124.88/232,861.23 = 143,578.32/x
  3. Step 3: Cross multiply
    169,124.88x = 232,861.23 × 143,578.32
  4. Step 4: Simplify right side
    169,124.88x = 33,433,824,196.53
  5. Step 5: Solve for x
    x = 33,433,824,196.53/169,124.88
  6. Step 6: Final answer
    x = 197,687.20

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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.