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Finding the Fourth Proportional to 242,072.48, 363,165.42 and 238,055.96

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Solution

The fourth proportional to 242,072.48, 363,165.42 and 238,055.96 is: 357,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,072.48 : 363,165.42 = 238,055.96 : x
  2. Step 2: Convert to fraction form
    242,072.48/363,165.42 = 238,055.96/x
  3. Step 3: Cross multiply
    242,072.48x = 363,165.42 × 238,055.96
  4. Step 4: Simplify right side
    242,072.48x = 86,453,692,696.90
  5. Step 5: Solve for x
    x = 86,453,692,696.90/242,072.48
  6. Step 6: Final answer
    x = 357,139.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.