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Finding the Fourth Proportional to 236,486.90, 354,903.15 and 166,502.90

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Solution

The fourth proportional to 236,486.90, 354,903.15 and 166,502.90 is: 249,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,486.90 : 354,903.15 = 166,502.90 : x
  2. Step 2: Convert to fraction form
    236,486.90/354,903.15 = 166,502.90/x
  3. Step 3: Cross multiply
    236,486.90x = 354,903.15 × 166,502.90
  4. Step 4: Simplify right side
    236,486.90x = 59,092,403,694.14
  5. Step 5: Solve for x
    x = 59,092,403,694.14/236,486.90
  6. Step 6: Final answer
    x = 249,876.01

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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.