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Finding the Fourth Proportional to 125,047.00, 187,600.34 and 40,807.32

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Solution

The fourth proportional to 125,047.00, 187,600.34 and 40,807.32 is: 61,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,047.00 : 187,600.34 = 40,807.32 : x
  2. Step 2: Convert to fraction form
    125,047.00/187,600.34 = 40,807.32/x
  3. Step 3: Cross multiply
    125,047.00x = 187,600.34 × 40,807.32
  4. Step 4: Simplify right side
    125,047.00x = 7,655,466,667.95
  5. Step 5: Solve for x
    x = 7,655,466,667.95/125,047.00
  6. Step 6: Final answer
    x = 61,220.71

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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.