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Finding the Fourth Proportional to 184,595.06, 276,708.56 and 78,005.90

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Solution

The fourth proportional to 184,595.06, 276,708.56 and 78,005.90 is: 116,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,595.06 : 276,708.56 = 78,005.90 : x
  2. Step 2: Convert to fraction form
    184,595.06/276,708.56 = 78,005.90/x
  3. Step 3: Cross multiply
    184,595.06x = 276,708.56 × 78,005.90
  4. Step 4: Simplify right side
    184,595.06x = 21,584,900,260.50
  5. Step 5: Solve for x
    x = 21,584,900,260.50/184,595.06
  6. Step 6: Final answer
    x = 116,931.08

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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.