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Finding the Fourth Proportional to 102,524.40, 153,808.20 and 43,329.60

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Solution

The fourth proportional to 102,524.40, 153,808.20 and 43,329.60 is: 65,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,524.40 : 153,808.20 = 43,329.60 : x
  2. Step 2: Convert to fraction form
    102,524.40/153,808.20 = 43,329.60/x
  3. Step 3: Cross multiply
    102,524.40x = 153,808.20 × 43,329.60
  4. Step 4: Simplify right side
    102,524.40x = 6,664,447,782.72
  5. Step 5: Solve for x
    x = 6,664,447,782.72/102,524.40
  6. Step 6: Final answer
    x = 65,003.53

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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.