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Finding the Fourth Proportional to 237,538.01, 356,055.50 and 111,072

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Solution

The fourth proportional to 237,538.01, 356,055.50 and 111,072 is: 166,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,538.01 : 356,055.50 = 111,072 : x
  2. Step 2: Convert to fraction form
    237,538.01/356,055.50 = 111,072/x
  3. Step 3: Cross multiply
    237,538.01x = 356,055.50 × 111,072
  4. Step 4: Simplify right side
    237,538.01x = 39,547,796,496
  5. Step 5: Solve for x
    x = 39,547,796,496/237,538.01
  6. Step 6: Final answer
    x = 166,490.39

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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.