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Finding the Fourth Proportional to 161,039.84, 242,524.25 and 146,674.76

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Solution

The fourth proportional to 161,039.84, 242,524.25 and 146,674.76 is: 220,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,039.84 : 242,524.25 = 146,674.76 : x
  2. Step 2: Convert to fraction form
    161,039.84/242,524.25 = 146,674.76/x
  3. Step 3: Cross multiply
    161,039.84x = 242,524.25 × 146,674.76
  4. Step 4: Simplify right side
    161,039.84x = 35,572,186,162.93
  5. Step 5: Solve for x
    x = 35,572,186,162.93/161,039.84
  6. Step 6: Final answer
    x = 220,890.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.