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Finding the Fourth Proportional to 171,956.80, 258,129.60 and 101,875.60

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Solution

The fourth proportional to 171,956.80, 258,129.60 and 101,875.60 is: 152,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,956.80 : 258,129.60 = 101,875.60 : x
  2. Step 2: Convert to fraction form
    171,956.80/258,129.60 = 101,875.60/x
  3. Step 3: Cross multiply
    171,956.80x = 258,129.60 × 101,875.60
  4. Step 4: Simplify right side
    171,956.80x = 26,297,107,877.76
  5. Step 5: Solve for x
    x = 26,297,107,877.76/171,956.80
  6. Step 6: Final answer
    x = 152,928.57

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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.