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Finding the Fourth Proportional to 254,361.51, 381,033.59 and 153,103.95

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Solution

The fourth proportional to 254,361.51, 381,033.59 and 153,103.95 is: 229,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,361.51 : 381,033.59 = 153,103.95 : x
  2. Step 2: Convert to fraction form
    254,361.51/381,033.59 = 153,103.95/x
  3. Step 3: Cross multiply
    254,361.51x = 381,033.59 × 153,103.95
  4. Step 4: Simplify right side
    254,361.51x = 58,337,746,946.16
  5. Step 5: Solve for x
    x = 58,337,746,946.16/254,361.51
  6. Step 6: Final answer
    x = 229,349.74

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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.