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Finding the Fourth Proportional to 104,988.67, 157,483.12 and 26,102.90

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Solution

The fourth proportional to 104,988.67, 157,483.12 and 26,102.90 is: 39,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,988.67 : 157,483.12 = 26,102.90 : x
  2. Step 2: Convert to fraction form
    104,988.67/157,483.12 = 26,102.90/x
  3. Step 3: Cross multiply
    104,988.67x = 157,483.12 × 26,102.90
  4. Step 4: Simplify right side
    104,988.67x = 4,110,766,461.50
  5. Step 5: Solve for x
    x = 4,110,766,461.50/104,988.67
  6. Step 6: Final answer
    x = 39,154.38

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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.