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Finding the Fourth Proportional to 243,804.68, 365,616.07 and 83,835.36

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Solution

The fourth proportional to 243,804.68, 365,616.07 and 83,835.36 is: 125,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,804.68 : 365,616.07 = 83,835.36 : x
  2. Step 2: Convert to fraction form
    243,804.68/365,616.07 = 83,835.36/x
  3. Step 3: Cross multiply
    243,804.68x = 365,616.07 × 83,835.36
  4. Step 4: Simplify right side
    243,804.68x = 30,651,552,602.98
  5. Step 5: Solve for x
    x = 30,651,552,602.98/243,804.68
  6. Step 6: Final answer
    x = 125,721.76

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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.