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Finding the Fourth Proportional to 157,969.44, 236,905.97 and 83,048.90

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Solution

The fourth proportional to 157,969.44, 236,905.97 and 83,048.90 is: 124,548.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,969.44 : 236,905.97 = 83,048.90 : x
  2. Step 2: Convert to fraction form
    157,969.44/236,905.97 = 83,048.90/x
  3. Step 3: Cross multiply
    157,969.44x = 236,905.97 × 83,048.90
  4. Step 4: Simplify right side
    157,969.44x = 19,674,778,612.16
  5. Step 5: Solve for x
    x = 19,674,778,612.16/157,969.44
  6. Step 6: Final answer
    x = 124,548.01

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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.