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Finding the Fourth Proportional to 183,903.45, 253,786.98 and 103,330.92

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Solution

The fourth proportional to 183,903.45, 253,786.98 and 103,330.92 is: 142,596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,903.45 : 253,786.98 = 103,330.92 : x
  2. Step 2: Convert to fraction form
    183,903.45/253,786.98 = 103,330.92/x
  3. Step 3: Cross multiply
    183,903.45x = 253,786.98 × 103,330.92
  4. Step 4: Simplify right side
    183,903.45x = 26,224,042,127.42
  5. Step 5: Solve for x
    x = 26,224,042,127.42/183,903.45
  6. Step 6: Final answer
    x = 142,596.79

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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.