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Finding the Fourth Proportional to 500,166.12, 750,245.94 and 126,189.48

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Solution

The fourth proportional to 500,166.12, 750,245.94 and 126,189.48 is: 189,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,166.12 : 750,245.94 = 126,189.48 : x
  2. Step 2: Convert to fraction form
    500,166.12/750,245.94 = 126,189.48/x
  3. Step 3: Cross multiply
    500,166.12x = 750,245.94 × 126,189.48
  4. Step 4: Simplify right side
    500,166.12x = 94,673,145,040.71
  5. Step 5: Solve for x
    x = 94,673,145,040.71/500,166.12
  6. Step 6: Final answer
    x = 189,283.40

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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.