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Finding the Fourth Proportional to 114,567.80, 171,894.90 and 55,455.80

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Solution

The fourth proportional to 114,567.80, 171,894.90 and 55,455.80 is: 83,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,567.80 : 171,894.90 = 55,455.80 : x
  2. Step 2: Convert to fraction form
    114,567.80/171,894.90 = 55,455.80/x
  3. Step 3: Cross multiply
    114,567.80x = 171,894.90 × 55,455.80
  4. Step 4: Simplify right side
    114,567.80x = 9,532,569,195.42
  5. Step 5: Solve for x
    x = 9,532,569,195.42/114,567.80
  6. Step 6: Final answer
    x = 83,204.61

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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.