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Finding the Fourth Proportional to 171,079.48, 256,488.40 and 103,596.83

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Solution

The fourth proportional to 171,079.48, 256,488.40 and 103,596.83 is: 155,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,079.48 : 256,488.40 = 103,596.83 : x
  2. Step 2: Convert to fraction form
    171,079.48/256,488.40 = 103,596.83/x
  3. Step 3: Cross multiply
    171,079.48x = 256,488.40 × 103,596.83
  4. Step 4: Simplify right side
    171,079.48x = 26,571,385,171.77
  5. Step 5: Solve for x
    x = 26,571,385,171.77/171,079.48
  6. Step 6: Final answer
    x = 155,316.03

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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.