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Finding the Fourth Proportional to 175,806.66, 242,553.51 and 99,314.58

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Solution

The fourth proportional to 175,806.66, 242,553.51 and 99,314.58 is: 137,020.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,806.66 : 242,553.51 = 99,314.58 : x
  2. Step 2: Convert to fraction form
    175,806.66/242,553.51 = 99,314.58/x
  3. Step 3: Cross multiply
    175,806.66x = 242,553.51 × 99,314.58
  4. Step 4: Simplify right side
    175,806.66x = 24,089,099,973.18
  5. Step 5: Solve for x
    x = 24,089,099,973.18/175,806.66
  6. Step 6: Final answer
    x = 137,020.41

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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.