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Finding the Fourth Proportional to 242,724.75, 364,158.81 and 124,478.93

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Solution

The fourth proportional to 242,724.75, 364,158.81 and 124,478.93 is: 186,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,724.75 : 364,158.81 = 124,478.93 : x
  2. Step 2: Convert to fraction form
    242,724.75/364,158.81 = 124,478.93/x
  3. Step 3: Cross multiply
    242,724.75x = 364,158.81 × 124,478.93
  4. Step 4: Simplify right side
    242,724.75x = 45,330,097,198.08
  5. Step 5: Solve for x
    x = 45,330,097,198.08/242,724.75
  6. Step 6: Final answer
    x = 186,755.15

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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.