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Finding the Fourth Proportional to 171,953.60, 258,124.80 and 132,684.80

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Solution

The fourth proportional to 171,953.60, 258,124.80 and 132,684.80 is: 199,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,953.60 : 258,124.80 = 132,684.80 : x
  2. Step 2: Convert to fraction form
    171,953.60/258,124.80 = 132,684.80/x
  3. Step 3: Cross multiply
    171,953.60x = 258,124.80 × 132,684.80
  4. Step 4: Simplify right side
    171,953.60x = 34,249,237,463.04
  5. Step 5: Solve for x
    x = 34,249,237,463.04/171,953.60
  6. Step 6: Final answer
    x = 199,177.21

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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.