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Finding the Fourth Proportional to 236,558.40, 355,010.40 and 166,574.40

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Solution

The fourth proportional to 236,558.40, 355,010.40 and 166,574.40 is: 249,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,558.40 : 355,010.40 = 166,574.40 : x
  2. Step 2: Convert to fraction form
    236,558.40/355,010.40 = 166,574.40/x
  3. Step 3: Cross multiply
    236,558.40x = 355,010.40 × 166,574.40
  4. Step 4: Simplify right side
    236,558.40x = 59,135,644,373.76
  5. Step 5: Solve for x
    x = 59,135,644,373.76/236,558.40
  6. Step 6: Final answer
    x = 249,983.28

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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.