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Finding the Fourth Proportional to 122,056.96, 183,154.64 and 65,896.32

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Solution

The fourth proportional to 122,056.96, 183,154.64 and 65,896.32 is: 98,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,056.96 : 183,154.64 = 65,896.32 : x
  2. Step 2: Convert to fraction form
    122,056.96/183,154.64 = 65,896.32/x
  3. Step 3: Cross multiply
    122,056.96x = 183,154.64 × 65,896.32
  4. Step 4: Simplify right side
    122,056.96x = 12,069,216,766.92
  5. Step 5: Solve for x
    x = 12,069,216,766.92/122,056.96
  6. Step 6: Final answer
    x = 98,881.84

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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.