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Finding the Fourth Proportional to 160,381.44, 240,594.48 and 66,865.68

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Solution

The fourth proportional to 160,381.44, 240,594.48 and 66,865.68 is: 100,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,381.44 : 240,594.48 = 66,865.68 : x
  2. Step 2: Convert to fraction form
    160,381.44/240,594.48 = 66,865.68/x
  3. Step 3: Cross multiply
    160,381.44x = 240,594.48 × 66,865.68
  4. Step 4: Simplify right side
    160,381.44x = 16,087,513,509.45
  5. Step 5: Solve for x
    x = 16,087,513,509.45/160,381.44
  6. Step 6: Final answer
    x = 100,307.83

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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.