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Finding the Fourth Proportional to 267,364.50, 368,963.01 and 159,939.06

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Solution

The fourth proportional to 267,364.50, 368,963.01 and 159,939.06 is: 220,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,364.50 : 368,963.01 = 159,939.06 : x
  2. Step 2: Convert to fraction form
    267,364.50/368,963.01 = 159,939.06/x
  3. Step 3: Cross multiply
    267,364.50x = 368,963.01 × 159,939.06
  4. Step 4: Simplify right side
    267,364.50x = 59,011,596,994.17
  5. Step 5: Solve for x
    x = 59,011,596,994.17/267,364.50
  6. Step 6: Final answer
    x = 220,715.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.