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Finding the Fourth Proportional to 301,518.53, 452,343.41 and 91,151

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Solution

The fourth proportional to 301,518.53, 452,343.41 and 91,151 is: 136,746.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,518.53 : 452,343.41 = 91,151 : x
  2. Step 2: Convert to fraction form
    301,518.53/452,343.41 = 91,151/x
  3. Step 3: Cross multiply
    301,518.53x = 452,343.41 × 91,151
  4. Step 4: Simplify right side
    301,518.53x = 41,231,554,164.91
  5. Step 5: Solve for x
    x = 41,231,554,164.91/301,518.53
  6. Step 6: Final answer
    x = 136,746.34

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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.