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Finding the Fourth Proportional to 175,468.46, 242,034.99 and 115,043.01

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Solution

The fourth proportional to 175,468.46, 242,034.99 and 115,043.01 is: 158,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,468.46 : 242,034.99 = 115,043.01 : x
  2. Step 2: Convert to fraction form
    175,468.46/242,034.99 = 115,043.01/x
  3. Step 3: Cross multiply
    175,468.46x = 242,034.99 × 115,043.01
  4. Step 4: Simplify right side
    175,468.46x = 27,844,433,774.92
  5. Step 5: Solve for x
    x = 27,844,433,774.92/175,468.46
  6. Step 6: Final answer
    x = 158,686.27

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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.