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Finding the Fourth Proportional to 60,361.77, 83,303.13 and 34,869.21

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Solution

The fourth proportional to 60,361.77, 83,303.13 and 34,869.21 is: 48,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,361.77 : 83,303.13 = 34,869.21 : x
  2. Step 2: Convert to fraction form
    60,361.77/83,303.13 = 34,869.21/x
  3. Step 3: Cross multiply
    60,361.77x = 83,303.13 × 34,869.21
  4. Step 4: Simplify right side
    60,361.77x = 2,904,714,386.29
  5. Step 5: Solve for x
    x = 2,904,714,386.29/60,361.77
  6. Step 6: Final answer
    x = 48,121.76

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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.