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Finding the Fourth Proportional to 158,567.84, 237,891.40 and 111,911.84

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Solution

The fourth proportional to 158,567.84, 237,891.40 and 111,911.84 is: 167,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,567.84 : 237,891.40 = 111,911.84 : x
  2. Step 2: Convert to fraction form
    158,567.84/237,891.40 = 111,911.84/x
  3. Step 3: Cross multiply
    158,567.84x = 237,891.40 × 111,911.84
  4. Step 4: Simplify right side
    158,567.84x = 26,622,864,294.18
  5. Step 5: Solve for x
    x = 26,622,864,294.18/158,567.84
  6. Step 6: Final answer
    x = 167,895.74

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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.