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Finding the Fourth Proportional to 133,497.95, 200,385.41 and 89,432.64

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Solution

The fourth proportional to 133,497.95, 200,385.41 and 89,432.64 is: 134,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,497.95 : 200,385.41 = 89,432.64 : x
  2. Step 2: Convert to fraction form
    133,497.95/200,385.41 = 89,432.64/x
  3. Step 3: Cross multiply
    133,497.95x = 200,385.41 × 89,432.64
  4. Step 4: Simplify right side
    133,497.95x = 17,920,996,055.64
  5. Step 5: Solve for x
    x = 17,920,996,055.64/133,497.95
  6. Step 6: Final answer
    x = 134,241.73

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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.