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Finding the Fourth Proportional to 160,445.94, 240,665.68 and 55,262.58

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Solution

The fourth proportional to 160,445.94, 240,665.68 and 55,262.58 is: 82,892.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,445.94 : 240,665.68 = 55,262.58 : x
  2. Step 2: Convert to fraction form
    160,445.94/240,665.68 = 55,262.58/x
  3. Step 3: Cross multiply
    160,445.94x = 240,665.68 × 55,262.58
  4. Step 4: Simplify right side
    160,445.94x = 13,299,806,394.25
  5. Step 5: Solve for x
    x = 13,299,806,394.25/160,445.94
  6. Step 6: Final answer
    x = 82,892.76

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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.