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Finding the Fourth Proportional to 133,443.99, 199,944.55 and 93,918.07

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Solution

The fourth proportional to 133,443.99, 199,944.55 and 93,918.07 is: 140,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,443.99 : 199,944.55 = 93,918.07 : x
  2. Step 2: Convert to fraction form
    133,443.99/199,944.55 = 93,918.07/x
  3. Step 3: Cross multiply
    133,443.99x = 199,944.55 × 93,918.07
  4. Step 4: Simplify right side
    133,443.99x = 18,778,406,329.17
  5. Step 5: Solve for x
    x = 18,778,406,329.17/133,443.99
  6. Step 6: Final answer
    x = 140,721.25

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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.