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Finding the Fourth Proportional to 104,484.81, 155,626.24 and 102,297.81

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Solution

The fourth proportional to 104,484.81, 155,626.24 and 102,297.81 is: 152,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,484.81 : 155,626.24 = 102,297.81 : x
  2. Step 2: Convert to fraction form
    104,484.81/155,626.24 = 102,297.81/x
  3. Step 3: Cross multiply
    104,484.81x = 155,626.24 × 102,297.81
  4. Step 4: Simplify right side
    104,484.81x = 15,920,223,274.79
  5. Step 5: Solve for x
    x = 15,920,223,274.79/104,484.81
  6. Step 6: Final answer
    x = 152,368.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.