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Finding the Fourth Proportional to 186,601.48, 257,351.58 and 157,671.59

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Solution

The fourth proportional to 186,601.48, 257,351.58 and 157,671.59 is: 217,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,601.48 : 257,351.58 = 157,671.59 : x
  2. Step 2: Convert to fraction form
    186,601.48/257,351.58 = 157,671.59/x
  3. Step 3: Cross multiply
    186,601.48x = 257,351.58 × 157,671.59
  4. Step 4: Simplify right side
    186,601.48x = 40,577,031,520.85
  5. Step 5: Solve for x
    x = 40,577,031,520.85/186,601.48
  6. Step 6: Final answer
    x = 217,452.90

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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.