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Finding the Fourth Proportional to 222,586.55, 307,275.81 and 127,074.77

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Solution

The fourth proportional to 222,586.55, 307,275.81 and 127,074.77 is: 175,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,586.55 : 307,275.81 = 127,074.77 : x
  2. Step 2: Convert to fraction form
    222,586.55/307,275.81 = 127,074.77/x
  3. Step 3: Cross multiply
    222,586.55x = 307,275.81 × 127,074.77
  4. Step 4: Simplify right side
    222,586.55x = 39,047,002,882.31
  5. Step 5: Solve for x
    x = 39,047,002,882.31/222,586.55
  6. Step 6: Final answer
    x = 175,423.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.