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Finding the Fourth Proportional to 357,533.94, 536,300.82 and 91,284.90

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Solution

The fourth proportional to 357,533.94, 536,300.82 and 91,284.90 is: 136,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,533.94 : 536,300.82 = 91,284.90 : x
  2. Step 2: Convert to fraction form
    357,533.94/536,300.82 = 91,284.90/x
  3. Step 3: Cross multiply
    357,533.94x = 536,300.82 × 91,284.90
  4. Step 4: Simplify right side
    357,533.94x = 48,956,166,723.62
  5. Step 5: Solve for x
    x = 48,956,166,723.62/357,533.94
  6. Step 6: Final answer
    x = 136,927.33

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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.