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Finding the Fourth Proportional to 236,427.60, 354,871.80 and 118,232.40

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Solution

The fourth proportional to 236,427.60, 354,871.80 and 118,232.40 is: 177,463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,427.60 : 354,871.80 = 118,232.40 : x
  2. Step 2: Convert to fraction form
    236,427.60/354,871.80 = 118,232.40/x
  3. Step 3: Cross multiply
    236,427.60x = 354,871.80 × 118,232.40
  4. Step 4: Simplify right side
    236,427.60x = 41,957,344,606.32
  5. Step 5: Solve for x
    x = 41,957,344,606.32/236,427.60
  6. Step 6: Final answer
    x = 177,463.82

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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.