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Finding the Fourth Proportional to 125,762.01, 188,622.51 and 36,994.75

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Solution

The fourth proportional to 125,762.01, 188,622.51 and 36,994.75 is: 55,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,762.01 : 188,622.51 = 36,994.75 : x
  2. Step 2: Convert to fraction form
    125,762.01/188,622.51 = 36,994.75/x
  3. Step 3: Cross multiply
    125,762.01x = 188,622.51 × 36,994.75
  4. Step 4: Simplify right side
    125,762.01x = 6,978,043,309.16
  5. Step 5: Solve for x
    x = 6,978,043,309.16/125,762.01
  6. Step 6: Final answer
    x = 55,486.10

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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.