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Finding the Fourth Proportional to 111,476.49, 167,332.98 and 98,736.36

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Solution

The fourth proportional to 111,476.49, 167,332.98 and 98,736.36 is: 148,209.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,476.49 : 167,332.98 = 98,736.36 : x
  2. Step 2: Convert to fraction form
    111,476.49/167,332.98 = 98,736.36/x
  3. Step 3: Cross multiply
    111,476.49x = 167,332.98 × 98,736.36
  4. Step 4: Simplify right side
    111,476.49x = 16,521,849,353.15
  5. Step 5: Solve for x
    x = 16,521,849,353.15/111,476.49
  6. Step 6: Final answer
    x = 148,209.27

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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.