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Finding the Fourth Proportional to 161,838.54, 242,792.46 and 56,660.94

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Solution

The fourth proportional to 161,838.54, 242,792.46 and 56,660.94 is: 85,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,838.54 : 242,792.46 = 56,660.94 : x
  2. Step 2: Convert to fraction form
    161,838.54/242,792.46 = 56,660.94/x
  3. Step 3: Cross multiply
    161,838.54x = 242,792.46 × 56,660.94
  4. Step 4: Simplify right side
    161,838.54x = 13,756,849,008.51
  5. Step 5: Solve for x
    x = 13,756,849,008.51/161,838.54
  6. Step 6: Final answer
    x = 85,003.54

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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.