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Finding the Fourth Proportional to 175,361.94, 242,001.90 and 103,740.12

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Solution

The fourth proportional to 175,361.94, 242,001.90 and 103,740.12 is: 143,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,361.94 : 242,001.90 = 103,740.12 : x
  2. Step 2: Convert to fraction form
    175,361.94/242,001.90 = 103,740.12/x
  3. Step 3: Cross multiply
    175,361.94x = 242,001.90 × 103,740.12
  4. Step 4: Simplify right side
    175,361.94x = 25,105,306,146.23
  5. Step 5: Solve for x
    x = 25,105,306,146.23/175,361.94
  6. Step 6: Final answer
    x = 143,162.80

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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.