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Finding the Fourth Proportional to 150,557.93, 207,769.93 and 83,489.93

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Solution

The fourth proportional to 150,557.93, 207,769.93 and 83,489.93 is: 115,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,557.93 : 207,769.93 = 83,489.93 : x
  2. Step 2: Convert to fraction form
    150,557.93/207,769.93 = 83,489.93/x
  3. Step 3: Cross multiply
    150,557.93x = 207,769.93 × 83,489.93
  4. Step 4: Simplify right side
    150,557.93x = 17,346,696,911.80
  5. Step 5: Solve for x
    x = 17,346,696,911.80/150,557.93
  6. Step 6: Final answer
    x = 115,216.10

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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.