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Finding the Fourth Proportional to 236,488.40, 354,905.40 and 166,504.40

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Solution

The fourth proportional to 236,488.40, 354,905.40 and 166,504.40 is: 249,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,488.40 : 354,905.40 = 166,504.40 : x
  2. Step 2: Convert to fraction form
    236,488.40/354,905.40 = 166,504.40/x
  3. Step 3: Cross multiply
    236,488.40x = 354,905.40 × 166,504.40
  4. Step 4: Simplify right side
    236,488.40x = 59,093,310,683.76
  5. Step 5: Solve for x
    x = 59,093,310,683.76/236,488.40
  6. Step 6: Final answer
    x = 249,878.26

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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.