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Finding the Fourth Proportional to 171,495.53, 236,586.22 and 103,490.76

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Solution

The fourth proportional to 171,495.53, 236,586.22 and 103,490.76 is: 142,770.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,495.53 : 236,586.22 = 103,490.76 : x
  2. Step 2: Convert to fraction form
    171,495.53/236,586.22 = 103,490.76/x
  3. Step 3: Cross multiply
    171,495.53x = 236,586.22 × 103,490.76
  4. Step 4: Simplify right side
    171,495.53x = 24,484,488,341.80
  5. Step 5: Solve for x
    x = 24,484,488,341.80/171,495.53
  6. Step 6: Final answer
    x = 142,770.42

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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.