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Finding the Fourth Proportional to 216,938.64, 325,367.82 and 67,150.98

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Solution

The fourth proportional to 216,938.64, 325,367.82 and 67,150.98 is: 100,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,938.64 : 325,367.82 = 67,150.98 : x
  2. Step 2: Convert to fraction form
    216,938.64/325,367.82 = 67,150.98/x
  3. Step 3: Cross multiply
    216,938.64x = 325,367.82 × 67,150.98
  4. Step 4: Simplify right side
    216,938.64x = 21,848,767,973.46
  5. Step 5: Solve for x
    x = 21,848,767,973.46/216,938.64
  6. Step 6: Final answer
    x = 100,714.05

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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.