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Finding the Fourth Proportional to 133,692.40, 200,567.40 and 40,207.60

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Solution

The fourth proportional to 133,692.40, 200,567.40 and 40,207.60 is: 60,320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,692.40 : 200,567.40 = 40,207.60 : x
  2. Step 2: Convert to fraction form
    133,692.40/200,567.40 = 40,207.60/x
  3. Step 3: Cross multiply
    133,692.40x = 200,567.40 × 40,207.60
  4. Step 4: Simplify right side
    133,692.40x = 8,064,333,792.24
  5. Step 5: Solve for x
    x = 8,064,333,792.24/133,692.40
  6. Step 6: Final answer
    x = 60,320.06

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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.