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Finding the Fourth Proportional to 175,958.16, 242,819.28 and 99,476.07

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Solution

The fourth proportional to 175,958.16, 242,819.28 and 99,476.07 is: 137,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,958.16 : 242,819.28 = 99,476.07 : x
  2. Step 2: Convert to fraction form
    175,958.16/242,819.28 = 99,476.07/x
  3. Step 3: Cross multiply
    175,958.16x = 242,819.28 × 99,476.07
  4. Step 4: Simplify right side
    175,958.16x = 24,154,707,694.63
  5. Step 5: Solve for x
    x = 24,154,707,694.63/175,958.16
  6. Step 6: Final answer
    x = 137,275.29

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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.