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Finding the Fourth Proportional to 283,625.20, 425,437.80 and 125,869.60

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Solution

The fourth proportional to 283,625.20, 425,437.80 and 125,869.60 is: 188,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,625.20 : 425,437.80 = 125,869.60 : x
  2. Step 2: Convert to fraction form
    283,625.20/425,437.80 = 125,869.60/x
  3. Step 3: Cross multiply
    283,625.20x = 425,437.80 × 125,869.60
  4. Step 4: Simplify right side
    283,625.20x = 53,549,685,710.88
  5. Step 5: Solve for x
    x = 53,549,685,710.88/283,625.20
  6. Step 6: Final answer
    x = 188,804.40

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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.