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Finding the Fourth Proportional to 218,227.20, 300,303.36 and 193,136.64

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Solution

The fourth proportional to 218,227.20, 300,303.36 and 193,136.64 is: 265,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,227.20 : 300,303.36 = 193,136.64 : x
  2. Step 2: Convert to fraction form
    218,227.20/300,303.36 = 193,136.64/x
  3. Step 3: Cross multiply
    218,227.20x = 300,303.36 × 193,136.64
  4. Step 4: Simplify right side
    218,227.20x = 57,999,581,931.11
  5. Step 5: Solve for x
    x = 57,999,581,931.11/218,227.20
  6. Step 6: Final answer
    x = 265,776.14

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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.