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Finding the Fourth Proportional to 92,666.84, 139,000.25 and 22,545.54

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Solution

The fourth proportional to 92,666.84, 139,000.25 and 22,545.54 is: 33,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,666.84 : 139,000.25 = 22,545.54 : x
  2. Step 2: Convert to fraction form
    92,666.84/139,000.25 = 22,545.54/x
  3. Step 3: Cross multiply
    92,666.84x = 139,000.25 × 22,545.54
  4. Step 4: Simplify right side
    92,666.84x = 3,133,835,752.75
  5. Step 5: Solve for x
    x = 3,133,835,752.75/92,666.84
  6. Step 6: Final answer
    x = 33,818.31

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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.