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Finding the Fourth Proportional to 171,051.28, 256,614.72 and 58,728.94

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Solution

The fourth proportional to 171,051.28, 256,614.72 and 58,728.94 is: 88,106.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,051.28 : 256,614.72 = 58,728.94 : x
  2. Step 2: Convert to fraction form
    171,051.28/256,614.72 = 58,728.94/x
  3. Step 3: Cross multiply
    171,051.28x = 256,614.72 × 58,728.94
  4. Step 4: Simplify right side
    171,051.28x = 15,070,710,494.00
  5. Step 5: Solve for x
    x = 15,070,710,494.00/171,051.28
  6. Step 6: Final answer
    x = 88,106.39

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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.