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Finding the Fourth Proportional to 242,424.48, 334,544.94 and 134,995.80

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Solution

The fourth proportional to 242,424.48, 334,544.94 and 134,995.80 is: 186,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,424.48 : 334,544.94 = 134,995.80 : x
  2. Step 2: Convert to fraction form
    242,424.48/334,544.94 = 134,995.80/x
  3. Step 3: Cross multiply
    242,424.48x = 334,544.94 × 134,995.80
  4. Step 4: Simplify right side
    242,424.48x = 45,162,161,811.25
  5. Step 5: Solve for x
    x = 45,162,161,811.25/242,424.48
  6. Step 6: Final answer
    x = 186,293.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.