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Finding the Fourth Proportional to 148,627, 222,969.66 and 65,521

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Solution

The fourth proportional to 148,627, 222,969.66 and 65,521 is: 98,294.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,627 : 222,969.66 = 65,521 : x
  2. Step 2: Convert to fraction form
    148,627/222,969.66 = 65,521/x
  3. Step 3: Cross multiply
    148,627x = 222,969.66 × 65,521
  4. Step 4: Simplify right side
    148,627x = 14,609,195,092.86
  5. Step 5: Solve for x
    x = 14,609,195,092.86/148,627
  6. Step 6: Final answer
    x = 98,294.35

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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.