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Finding the Fourth Proportional to 98,333.60, 147,499.44 and 28,213.28

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Solution

The fourth proportional to 98,333.60, 147,499.44 and 28,213.28 is: 42,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,333.60 : 147,499.44 = 28,213.28 : x
  2. Step 2: Convert to fraction form
    98,333.60/147,499.44 = 28,213.28/x
  3. Step 3: Cross multiply
    98,333.60x = 147,499.44 × 28,213.28
  4. Step 4: Simplify right side
    98,333.60x = 4,161,443,000.56
  5. Step 5: Solve for x
    x = 4,161,443,000.56/98,333.60
  6. Step 6: Final answer
    x = 42,319.64

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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.