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Finding the Fourth Proportional to 160,771.80, 240,968.16 and 55,533.36

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Solution

The fourth proportional to 160,771.80, 240,968.16 and 55,533.36 is: 83,234.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,771.80 : 240,968.16 = 55,533.36 : x
  2. Step 2: Convert to fraction form
    160,771.80/240,968.16 = 55,533.36/x
  3. Step 3: Cross multiply
    160,771.80x = 240,968.16 × 55,533.36
  4. Step 4: Simplify right side
    160,771.80x = 13,381,771,577.82
  5. Step 5: Solve for x
    x = 13,381,771,577.82/160,771.80
  6. Step 6: Final answer
    x = 83,234.57

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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.