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Finding the Fourth Proportional to 224,687.80, 309,926.77 and 170,854.80

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Solution

The fourth proportional to 224,687.80, 309,926.77 and 170,854.80 is: 235,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,687.80 : 309,926.77 = 170,854.80 : x
  2. Step 2: Convert to fraction form
    224,687.80/309,926.77 = 170,854.80/x
  3. Step 3: Cross multiply
    224,687.80x = 309,926.77 × 170,854.80
  4. Step 4: Simplify right side
    224,687.80x = 52,952,476,303.00
  5. Step 5: Solve for x
    x = 52,952,476,303.00/224,687.80
  6. Step 6: Final answer
    x = 235,671.35

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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.