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Finding the Fourth Proportional to 145,164.84, 217,747.17 and 45,333.59

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Solution

The fourth proportional to 145,164.84, 217,747.17 and 45,333.59 is: 68,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,164.84 : 217,747.17 = 45,333.59 : x
  2. Step 2: Convert to fraction form
    145,164.84/217,747.17 = 45,333.59/x
  3. Step 3: Cross multiply
    145,164.84x = 217,747.17 × 45,333.59
  4. Step 4: Simplify right side
    145,164.84x = 9,871,260,928.44
  5. Step 5: Solve for x
    x = 9,871,260,928.44/145,164.84
  6. Step 6: Final answer
    x = 68,000.36

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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.