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Finding the Fourth Proportional to 176,398.84, 243,337.08 and 111,754.04

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Solution

The fourth proportional to 176,398.84, 243,337.08 and 111,754.04 is: 154,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,398.84 : 243,337.08 = 111,754.04 : x
  2. Step 2: Convert to fraction form
    176,398.84/243,337.08 = 111,754.04/x
  3. Step 3: Cross multiply
    176,398.84x = 243,337.08 × 111,754.04
  4. Step 4: Simplify right side
    176,398.84x = 27,193,901,771.80
  5. Step 5: Solve for x
    x = 27,193,901,771.80/176,398.84
  6. Step 6: Final answer
    x = 154,161.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.