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Finding the Fourth Proportional to 500,160.75, 750,242.34 and 126,183.75

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Solution

The fourth proportional to 500,160.75, 750,242.34 and 126,183.75 is: 189,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,160.75 : 750,242.34 = 126,183.75 : x
  2. Step 2: Convert to fraction form
    500,160.75/750,242.34 = 126,183.75/x
  3. Step 3: Cross multiply
    500,160.75x = 750,242.34 × 126,183.75
  4. Step 4: Simplify right side
    500,160.75x = 94,668,391,869.98
  5. Step 5: Solve for x
    x = 94,668,391,869.98/500,160.75
  6. Step 6: Final answer
    x = 189,275.93

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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.