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Finding the Fourth Proportional to 184,538.76, 276,807.98 and 142,480.01

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Solution

The fourth proportional to 184,538.76, 276,807.98 and 142,480.01 is: 213,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,538.76 : 276,807.98 = 142,480.01 : x
  2. Step 2: Convert to fraction form
    184,538.76/276,807.98 = 142,480.01/x
  3. Step 3: Cross multiply
    184,538.76x = 276,807.98 × 142,480.01
  4. Step 4: Simplify right side
    184,538.76x = 39,439,604,806.70
  5. Step 5: Solve for x
    x = 39,439,604,806.70/184,538.76
  6. Step 6: Final answer
    x = 213,719.90

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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.