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Finding the Fourth Proportional to 500,159.25, 750,240.09 and 126,182.25

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Solution

The fourth proportional to 500,159.25, 750,240.09 and 126,182.25 is: 189,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,159.25 : 750,240.09 = 126,182.25 : x
  2. Step 2: Convert to fraction form
    500,159.25/750,240.09 = 126,182.25/x
  3. Step 3: Cross multiply
    500,159.25x = 750,240.09 × 126,182.25
  4. Step 4: Simplify right side
    500,159.25x = 94,666,982,596.40
  5. Step 5: Solve for x
    x = 94,666,982,596.40/500,159.25
  6. Step 6: Final answer
    x = 189,273.68

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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.