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Finding the Fourth Proportional to 122,989.68, 184,572 and 94,937.76

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Solution

The fourth proportional to 122,989.68, 184,572 and 94,937.76 is: 142,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,989.68 : 184,572 = 94,937.76 : x
  2. Step 2: Convert to fraction form
    122,989.68/184,572 = 94,937.76/x
  3. Step 3: Cross multiply
    122,989.68x = 184,572 × 94,937.76
  4. Step 4: Simplify right side
    122,989.68x = 17,522,852,238.72
  5. Step 5: Solve for x
    x = 17,522,852,238.72/122,989.68
  6. Step 6: Final answer
    x = 142,474.17

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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.