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Finding the Fourth Proportional to 301,376.52, 452,051.46 and 91,008

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Solution

The fourth proportional to 301,376.52, 452,051.46 and 91,008 is: 136,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,376.52 : 452,051.46 = 91,008 : x
  2. Step 2: Convert to fraction form
    301,376.52/452,051.46 = 91,008/x
  3. Step 3: Cross multiply
    301,376.52x = 452,051.46 × 91,008
  4. Step 4: Simplify right side
    301,376.52x = 41,140,299,271.68
  5. Step 5: Solve for x
    x = 41,140,299,271.68/301,376.52
  6. Step 6: Final answer
    x = 136,507.98

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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.