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Finding the Fourth Proportional to 265,989.31, 367,199.09 and 169,290.50

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Solution

The fourth proportional to 265,989.31, 367,199.09 and 169,290.50 is: 233,706.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,989.31 : 367,199.09 = 169,290.50 : x
  2. Step 2: Convert to fraction form
    265,989.31/367,199.09 = 169,290.50/x
  3. Step 3: Cross multiply
    265,989.31x = 367,199.09 × 169,290.50
  4. Step 4: Simplify right side
    265,989.31x = 62,163,316,132.88
  5. Step 5: Solve for x
    x = 62,163,316,132.88/265,989.31
  6. Step 6: Final answer
    x = 233,706.07

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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.