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Finding the Fourth Proportional to 135,648.94, 203,407.80 and 46,871.32

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Solution

The fourth proportional to 135,648.94, 203,407.80 and 46,871.32 is: 70,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,648.94 : 203,407.80 = 46,871.32 : x
  2. Step 2: Convert to fraction form
    135,648.94/203,407.80 = 46,871.32/x
  3. Step 3: Cross multiply
    135,648.94x = 203,407.80 × 46,871.32
  4. Step 4: Simplify right side
    135,648.94x = 9,533,992,084.30
  5. Step 5: Solve for x
    x = 9,533,992,084.30/135,648.94
  6. Step 6: Final answer
    x = 70,284.31

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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.