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Finding the Fourth Proportional to 223,372.32, 308,254.80 and 122,776.80

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Solution

The fourth proportional to 223,372.32, 308,254.80 and 122,776.80 is: 169,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,372.32 : 308,254.80 = 122,776.80 : x
  2. Step 2: Convert to fraction form
    223,372.32/308,254.80 = 122,776.80/x
  3. Step 3: Cross multiply
    223,372.32x = 308,254.80 × 122,776.80
  4. Step 4: Simplify right side
    223,372.32x = 37,846,537,928.64
  5. Step 5: Solve for x
    x = 37,846,537,928.64/223,372.32
  6. Step 6: Final answer
    x = 169,432.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.