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Finding the Fourth Proportional to 171,695.60, 256,814.40 and 154,053.80

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Solution

The fourth proportional to 171,695.60, 256,814.40 and 154,053.80 is: 230,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,695.60 : 256,814.40 = 154,053.80 : x
  2. Step 2: Convert to fraction form
    171,695.60/256,814.40 = 154,053.80/x
  3. Step 3: Cross multiply
    171,695.60x = 256,814.40 × 154,053.80
  4. Step 4: Simplify right side
    171,695.60x = 39,563,234,214.72
  5. Step 5: Solve for x
    x = 39,563,234,214.72/171,695.60
  6. Step 6: Final answer
    x = 230,426.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.