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Finding the Fourth Proportional to 500,159.76, 750,240.84 and 126,182.76

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Solution

The fourth proportional to 500,159.76, 750,240.84 and 126,182.76 is: 189,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,159.76 : 750,240.84 = 126,182.76 : x
  2. Step 2: Convert to fraction form
    500,159.76/750,240.84 = 126,182.76/x
  3. Step 3: Cross multiply
    500,159.76x = 750,240.84 × 126,182.76
  4. Step 4: Simplify right side
    500,159.76x = 94,667,459,855.92
  5. Step 5: Solve for x
    x = 94,667,459,855.92/500,159.76
  6. Step 6: Final answer
    x = 189,274.44

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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.