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Finding the Fourth Proportional to 333,957.19, 501,100.07 and 156,433.51

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Solution

The fourth proportional to 333,957.19, 501,100.07 and 156,433.51 is: 234,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,957.19 : 501,100.07 = 156,433.51 : x
  2. Step 2: Convert to fraction form
    333,957.19/501,100.07 = 156,433.51/x
  3. Step 3: Cross multiply
    333,957.19x = 501,100.07 × 156,433.51
  4. Step 4: Simplify right side
    333,957.19x = 78,388,842,029.18
  5. Step 5: Solve for x
    x = 78,388,842,029.18/333,957.19
  6. Step 6: Final answer
    x = 234,727.22

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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.