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Finding the Fourth Proportional to 92,544.40, 138,829.80 and 30,200.24

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Solution

The fourth proportional to 92,544.40, 138,829.80 and 30,200.24 is: 45,304.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,544.40 : 138,829.80 = 30,200.24 : x
  2. Step 2: Convert to fraction form
    92,544.40/138,829.80 = 30,200.24/x
  3. Step 3: Cross multiply
    92,544.40x = 138,829.80 × 30,200.24
  4. Step 4: Simplify right side
    92,544.40x = 4,192,693,279.15
  5. Step 5: Solve for x
    x = 4,192,693,279.15/92,544.40
  6. Step 6: Final answer
    x = 45,304.67

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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.