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Finding the Fourth Proportional to 88,871.82, 133,328.79 and 26,543.94

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Solution

The fourth proportional to 88,871.82, 133,328.79 and 26,543.94 is: 39,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,871.82 : 133,328.79 = 26,543.94 : x
  2. Step 2: Convert to fraction form
    88,871.82/133,328.79 = 26,543.94/x
  3. Step 3: Cross multiply
    88,871.82x = 133,328.79 × 26,543.94
  4. Step 4: Simplify right side
    88,871.82x = 3,539,071,402.03
  5. Step 5: Solve for x
    x = 3,539,071,402.03/88,871.82
  6. Step 6: Final answer
    x = 39,822.20

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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.