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Finding the Fourth Proportional to 236,487.90, 354,904.65 and 166,503.90

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Solution

The fourth proportional to 236,487.90, 354,904.65 and 166,503.90 is: 249,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,487.90 : 354,904.65 = 166,503.90 : x
  2. Step 2: Convert to fraction form
    236,487.90/354,904.65 = 166,503.90/x
  3. Step 3: Cross multiply
    236,487.90x = 354,904.65 × 166,503.90
  4. Step 4: Simplify right side
    236,487.90x = 59,093,008,353.14
  5. Step 5: Solve for x
    x = 59,093,008,353.14/236,487.90
  6. Step 6: Final answer
    x = 249,877.51

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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.