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Finding the Fourth Proportional to 74,258.94, 102,444.12 and 44,045.54

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Solution

The fourth proportional to 74,258.94, 102,444.12 and 44,045.54 is: 60,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,258.94 : 102,444.12 = 44,045.54 : x
  2. Step 2: Convert to fraction form
    74,258.94/102,444.12 = 44,045.54/x
  3. Step 3: Cross multiply
    74,258.94x = 102,444.12 × 44,045.54
  4. Step 4: Simplify right side
    74,258.94x = 4,512,206,073.00
  5. Step 5: Solve for x
    x = 4,512,206,073.00/74,258.94
  6. Step 6: Final answer
    x = 60,763.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.