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Finding the Fourth Proportional to 265,637.20, 366,587.90 and 150,913.75

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Solution

The fourth proportional to 265,637.20, 366,587.90 and 150,913.75 is: 208,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,637.20 : 366,587.90 = 150,913.75 : x
  2. Step 2: Convert to fraction form
    265,637.20/366,587.90 = 150,913.75/x
  3. Step 3: Cross multiply
    265,637.20x = 366,587.90 × 150,913.75
  4. Step 4: Simplify right side
    265,637.20x = 55,323,154,693.63
  5. Step 5: Solve for x
    x = 55,323,154,693.63/265,637.20
  6. Step 6: Final answer
    x = 208,265.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.