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Finding the Fourth Proportional to 223,444.45, 334,978.35 and 96,989.41

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Solution

The fourth proportional to 223,444.45, 334,978.35 and 96,989.41 is: 145,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,444.45 : 334,978.35 = 96,989.41 : x
  2. Step 2: Convert to fraction form
    223,444.45/334,978.35 = 96,989.41/x
  3. Step 3: Cross multiply
    223,444.45x = 334,978.35 × 96,989.41
  4. Step 4: Simplify right side
    223,444.45x = 32,489,352,529.27
  5. Step 5: Solve for x
    x = 32,489,352,529.27/223,444.45
  6. Step 6: Final answer
    x = 145,402.37

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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.