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Finding the Fourth Proportional to 125,647.04, 188,504.56 and 42,541.04

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Solution

The fourth proportional to 125,647.04, 188,504.56 and 42,541.04 is: 63,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,647.04 : 188,504.56 = 42,541.04 : x
  2. Step 2: Convert to fraction form
    125,647.04/188,504.56 = 42,541.04/x
  3. Step 3: Cross multiply
    125,647.04x = 188,504.56 × 42,541.04
  4. Step 4: Simplify right side
    125,647.04x = 8,019,180,027.14
  5. Step 5: Solve for x
    x = 8,019,180,027.14/125,647.04
  6. Step 6: Final answer
    x = 63,823.07

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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.