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Finding the Fourth Proportional to 107,332.50, 160,998.75 and 33,460.50

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Solution

The fourth proportional to 107,332.50, 160,998.75 and 33,460.50 is: 50,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,332.50 : 160,998.75 = 33,460.50 : x
  2. Step 2: Convert to fraction form
    107,332.50/160,998.75 = 33,460.50/x
  3. Step 3: Cross multiply
    107,332.50x = 160,998.75 × 33,460.50
  4. Step 4: Simplify right side
    107,332.50x = 5,387,098,674.38
  5. Step 5: Solve for x
    x = 5,387,098,674.38/107,332.50
  6. Step 6: Final answer
    x = 50,190.75

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1.5x scale

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.