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Finding the Fourth Proportional to 122,656.58, 184,056.25 and 51,574.07

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Solution

The fourth proportional to 122,656.58, 184,056.25 and 51,574.07 is: 77,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,656.58 : 184,056.25 = 51,574.07 : x
  2. Step 2: Convert to fraction form
    122,656.58/184,056.25 = 51,574.07/x
  3. Step 3: Cross multiply
    122,656.58x = 184,056.25 × 51,574.07
  4. Step 4: Simplify right side
    122,656.58x = 9,492,529,314.03
  5. Step 5: Solve for x
    x = 9,492,529,314.03/122,656.58
  6. Step 6: Final answer
    x = 77,391.11

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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.