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Finding the Fourth Proportional to 98,869.68, 148,273.83 and 35,681.67

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Solution

The fourth proportional to 98,869.68, 148,273.83 and 35,681.67 is: 53,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869.68 : 148,273.83 = 35,681.67 : x
  2. Step 2: Convert to fraction form
    98,869.68/148,273.83 = 35,681.67/x
  3. Step 3: Cross multiply
    98,869.68x = 148,273.83 × 35,681.67
  4. Step 4: Simplify right side
    98,869.68x = 5,290,657,871.70
  5. Step 5: Solve for x
    x = 5,290,657,871.70/98,869.68
  6. Step 6: Final answer
    x = 53,511.43

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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.