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Finding the Fourth Proportional to 163,044.40, 244,566.60 and 115,805.20

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Solution

The fourth proportional to 163,044.40, 244,566.60 and 115,805.20 is: 173,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,044.40 : 244,566.60 = 115,805.20 : x
  2. Step 2: Convert to fraction form
    163,044.40/244,566.60 = 115,805.20/x
  3. Step 3: Cross multiply
    163,044.40x = 244,566.60 × 115,805.20
  4. Step 4: Simplify right side
    163,044.40x = 28,322,084,026.32
  5. Step 5: Solve for x
    x = 28,322,084,026.32/163,044.40
  6. Step 6: Final answer
    x = 173,707.80

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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.