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Finding the Fourth Proportional to 175,990.62, 242,803.29 and 115,594.02

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Solution

The fourth proportional to 175,990.62, 242,803.29 and 115,594.02 is: 159,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,990.62 : 242,803.29 = 115,594.02 : x
  2. Step 2: Convert to fraction form
    175,990.62/242,803.29 = 115,594.02/x
  3. Step 3: Cross multiply
    175,990.62x = 242,803.29 × 115,594.02
  4. Step 4: Simplify right side
    175,990.62x = 28,066,608,360.33
  5. Step 5: Solve for x
    x = 28,066,608,360.33/175,990.62
  6. Step 6: Final answer
    x = 159,477.87

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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.