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Finding the Fourth Proportional to 283,601.20, 425,401.80 and 83,952.40

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Solution

The fourth proportional to 283,601.20, 425,401.80 and 83,952.40 is: 125,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,601.20 : 425,401.80 = 83,952.40 : x
  2. Step 2: Convert to fraction form
    283,601.20/425,401.80 = 83,952.40/x
  3. Step 3: Cross multiply
    283,601.20x = 425,401.80 × 83,952.40
  4. Step 4: Simplify right side
    283,601.20x = 35,713,502,074.32
  5. Step 5: Solve for x
    x = 35,713,502,074.32/283,601.20
  6. Step 6: Final answer
    x = 125,928.60

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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.