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Finding the Fourth Proportional to 133,973.82, 200,652.66 and 74,678.18

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Solution

The fourth proportional to 133,973.82, 200,652.66 and 74,678.18 is: 111,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,973.82 : 200,652.66 = 74,678.18 : x
  2. Step 2: Convert to fraction form
    133,973.82/200,652.66 = 74,678.18/x
  3. Step 3: Cross multiply
    133,973.82x = 200,652.66 × 74,678.18
  4. Step 4: Simplify right side
    133,973.82x = 14,984,374,457.70
  5. Step 5: Solve for x
    x = 14,984,374,457.70/133,973.82
  6. Step 6: Final answer
    x = 111,845.54

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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.