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Finding the Fourth Proportional to 132,365, 198,547.50 and 33,869

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Solution

The fourth proportional to 132,365, 198,547.50 and 33,869 is: 50,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,365 : 198,547.50 = 33,869 : x
  2. Step 2: Convert to fraction form
    132,365/198,547.50 = 33,869/x
  3. Step 3: Cross multiply
    132,365x = 198,547.50 × 33,869
  4. Step 4: Simplify right side
    132,365x = 6,724,605,277.50
  5. Step 5: Solve for x
    x = 6,724,605,277.50/132,365
  6. Step 6: Final answer
    x = 50,803.50

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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.