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Finding the Fourth Proportional to 225,733.95, 338,652.99 and 75,970.35

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Solution

The fourth proportional to 225,733.95, 338,652.99 and 75,970.35 is: 113,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,733.95 : 338,652.99 = 75,970.35 : x
  2. Step 2: Convert to fraction form
    225,733.95/338,652.99 = 75,970.35/x
  3. Step 3: Cross multiply
    225,733.95x = 338,652.99 × 75,970.35
  4. Step 4: Simplify right side
    225,733.95x = 25,727,586,178.85
  5. Step 5: Solve for x
    x = 25,727,586,178.85/225,733.95
  6. Step 6: Final answer
    x = 113,973.05

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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.