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Finding the Fourth Proportional to 103,062.98, 154,569.60 and 43,059.04

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Solution

The fourth proportional to 103,062.98, 154,569.60 and 43,059.04 is: 64,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,062.98 : 154,569.60 = 43,059.04 : x
  2. Step 2: Convert to fraction form
    103,062.98/154,569.60 = 43,059.04/x
  3. Step 3: Cross multiply
    103,062.98x = 154,569.60 × 43,059.04
  4. Step 4: Simplify right side
    103,062.98x = 6,655,618,589.18
  5. Step 5: Solve for x
    x = 6,655,618,589.18/103,062.98
  6. Step 6: Final answer
    x = 64,578.17

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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.