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Finding the Fourth Proportional to 269,892.22, 372,448.84 and 149,030.90

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Solution

The fourth proportional to 269,892.22, 372,448.84 and 149,030.90 is: 205,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,892.22 : 372,448.84 = 149,030.90 : x
  2. Step 2: Convert to fraction form
    269,892.22/372,448.84 = 149,030.90/x
  3. Step 3: Cross multiply
    269,892.22x = 372,448.84 × 149,030.90
  4. Step 4: Simplify right side
    269,892.22x = 55,506,385,829.16
  5. Step 5: Solve for x
    x = 55,506,385,829.16/269,892.22
  6. Step 6: Final answer
    x = 205,661.30

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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.