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Finding the Fourth Proportional to 282,029.60, 422,914.80 and 124,176.80

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Solution

The fourth proportional to 282,029.60, 422,914.80 and 124,176.80 is: 186,208.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,029.60 : 422,914.80 = 124,176.80 : x
  2. Step 2: Convert to fraction form
    282,029.60/422,914.80 = 124,176.80/x
  3. Step 3: Cross multiply
    282,029.60x = 422,914.80 × 124,176.80
  4. Step 4: Simplify right side
    282,029.60x = 52,516,206,536.64
  5. Step 5: Solve for x
    x = 52,516,206,536.64/282,029.60
  6. Step 6: Final answer
    x = 186,208.14

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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.