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Finding the Fourth Proportional to 269,802.63, 372,317.85 and 148,941.32

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Solution

The fourth proportional to 269,802.63, 372,317.85 and 148,941.32 is: 205,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,802.63 : 372,317.85 = 148,941.32 : x
  2. Step 2: Convert to fraction form
    269,802.63/372,317.85 = 148,941.32/x
  3. Step 3: Cross multiply
    269,802.63x = 372,317.85 × 148,941.32
  4. Step 4: Simplify right side
    269,802.63x = 55,453,510,176.97
  5. Step 5: Solve for x
    x = 55,453,510,176.97/269,802.63
  6. Step 6: Final answer
    x = 205,533.62

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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.