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Finding the Fourth Proportional to 152,494.80, 228,742.20 and 47,324.40

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Solution

The fourth proportional to 152,494.80, 228,742.20 and 47,324.40 is: 70,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,494.80 : 228,742.20 = 47,324.40 : x
  2. Step 2: Convert to fraction form
    152,494.80/228,742.20 = 47,324.40/x
  3. Step 3: Cross multiply
    152,494.80x = 228,742.20 × 47,324.40
  4. Step 4: Simplify right side
    152,494.80x = 10,825,087,369.68
  5. Step 5: Solve for x
    x = 10,825,087,369.68/152,494.80
  6. Step 6: Final answer
    x = 70,986.60

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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.