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Finding the Fourth Proportional to 74,594.80, 112,300.54 and 68,062.96

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Solution

The fourth proportional to 74,594.80, 112,300.54 and 68,062.96 is: 102,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,594.80 : 112,300.54 = 68,062.96 : x
  2. Step 2: Convert to fraction form
    74,594.80/112,300.54 = 68,062.96/x
  3. Step 3: Cross multiply
    74,594.80x = 112,300.54 × 68,062.96
  4. Step 4: Simplify right side
    74,594.80x = 7,643,507,162.00
  5. Step 5: Solve for x
    x = 7,643,507,162.00/74,594.80
  6. Step 6: Final answer
    x = 102,467.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.