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Finding the Fourth Proportional to 98,666.82, 147,991.01 and 27,595.81

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Solution

The fourth proportional to 98,666.82, 147,991.01 and 27,595.81 is: 41,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,666.82 : 147,991.01 = 27,595.81 : x
  2. Step 2: Convert to fraction form
    98,666.82/147,991.01 = 27,595.81/x
  3. Step 3: Cross multiply
    98,666.82x = 147,991.01 × 27,595.81
  4. Step 4: Simplify right side
    98,666.82x = 4,083,931,793.67
  5. Step 5: Solve for x
    x = 4,083,931,793.67/98,666.82
  6. Step 6: Final answer
    x = 41,391.14

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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.