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Finding the Fourth Proportional to 133,749.40, 200,605.74 and 93,646.84

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Solution

The fourth proportional to 133,749.40, 200,605.74 and 93,646.84 is: 140,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,749.40 : 200,605.74 = 93,646.84 : x
  2. Step 2: Convert to fraction form
    133,749.40/200,605.74 = 93,646.84/x
  3. Step 3: Cross multiply
    133,749.40x = 200,605.74 × 93,646.84
  4. Step 4: Simplify right side
    133,749.40x = 18,786,093,636.86
  5. Step 5: Solve for x
    x = 18,786,093,636.86/133,749.40
  6. Step 6: Final answer
    x = 140,457.40

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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.