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Finding the Fourth Proportional to 160,445.57, 240,665.11 and 55,262.21

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Solution

The fourth proportional to 160,445.57, 240,665.11 and 55,262.21 is: 82,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,445.57 : 240,665.11 = 55,262.21 : x
  2. Step 2: Convert to fraction form
    160,445.57/240,665.11 = 55,262.21/x
  3. Step 3: Cross multiply
    160,445.57x = 240,665.11 × 55,262.21
  4. Step 4: Simplify right side
    160,445.57x = 13,299,685,848.49
  5. Step 5: Solve for x
    x = 13,299,685,848.49/160,445.57
  6. Step 6: Final answer
    x = 82,892.20

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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.