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Finding the Fourth Proportional to 158,678.82, 237,901.59 and 75,631.14

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Solution

The fourth proportional to 158,678.82, 237,901.59 and 75,631.14 is: 113,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,678.82 : 237,901.59 = 75,631.14 : x
  2. Step 2: Convert to fraction form
    158,678.82/237,901.59 = 75,631.14/x
  3. Step 3: Cross multiply
    158,678.82x = 237,901.59 × 75,631.14
  4. Step 4: Simplify right side
    158,678.82x = 17,992,768,459.51
  5. Step 5: Solve for x
    x = 17,992,768,459.51/158,678.82
  6. Step 6: Final answer
    x = 113,391.12

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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.