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Finding the Fourth Proportional to 160,291.98, 240,281.73 and 66,824.46

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Solution

The fourth proportional to 160,291.98, 240,281.73 and 66,824.46 is: 100,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,291.98 : 240,281.73 = 66,824.46 : x
  2. Step 2: Convert to fraction form
    160,291.98/240,281.73 = 66,824.46/x
  3. Step 3: Cross multiply
    160,291.98x = 240,281.73 × 66,824.46
  4. Step 4: Simplify right side
    160,291.98x = 16,056,696,855.12
  5. Step 5: Solve for x
    x = 16,056,696,855.12/160,291.98
  6. Step 6: Final answer
    x = 100,171.55

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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.