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Finding the Fourth Proportional to 301,518.80, 452,343.80 and 91,151.24

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Solution

The fourth proportional to 301,518.80, 452,343.80 and 91,151.24 is: 136,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,518.80 : 452,343.80 = 91,151.24 : x
  2. Step 2: Convert to fraction form
    301,518.80/452,343.80 = 91,151.24/x
  3. Step 3: Cross multiply
    301,518.80x = 452,343.80 × 91,151.24
  4. Step 4: Simplify right side
    301,518.80x = 41,231,698,276.31
  5. Step 5: Solve for x
    x = 41,231,698,276.31/301,518.80
  6. Step 6: Final answer
    x = 136,746.69

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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.