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Finding the Fourth Proportional to 164,928.61, 247,409.12 and 46,600.87

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Solution

The fourth proportional to 164,928.61, 247,409.12 and 46,600.87 is: 69,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,928.61 : 247,409.12 = 46,600.87 : x
  2. Step 2: Convert to fraction form
    164,928.61/247,409.12 = 46,600.87/x
  3. Step 3: Cross multiply
    164,928.61x = 247,409.12 × 46,600.87
  4. Step 4: Simplify right side
    164,928.61x = 11,529,480,237.93
  5. Step 5: Solve for x
    x = 11,529,480,237.93/164,928.61
  6. Step 6: Final answer
    x = 69,905.88

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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.