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Finding the Fourth Proportional to 223,393.12, 334,608.72 and 104,886.88

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Solution

The fourth proportional to 223,393.12, 334,608.72 and 104,886.88 is: 157,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,393.12 : 334,608.72 = 104,886.88 : x
  2. Step 2: Convert to fraction form
    223,393.12/334,608.72 = 104,886.88/x
  3. Step 3: Cross multiply
    223,393.12x = 334,608.72 × 104,886.88
  4. Step 4: Simplify right side
    223,393.12x = 35,096,064,661.59
  5. Step 5: Solve for x
    x = 35,096,064,661.59/223,393.12
  6. Step 6: Final answer
    x = 157,104.50

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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.