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Finding the Fourth Proportional to 170,817.98, 256,200.69 and 56,967.78

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Solution

The fourth proportional to 170,817.98, 256,200.69 and 56,967.78 is: 85,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,817.98 : 256,200.69 = 56,967.78 : x
  2. Step 2: Convert to fraction form
    170,817.98/256,200.69 = 56,967.78/x
  3. Step 3: Cross multiply
    170,817.98x = 256,200.69 × 56,967.78
  4. Step 4: Simplify right side
    170,817.98x = 14,595,184,543.77
  5. Step 5: Solve for x
    x = 14,595,184,543.77/170,817.98
  6. Step 6: Final answer
    x = 85,442.91

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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.