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Finding the Fourth Proportional to 357,762.49, 536,662.12 and 91,525.32

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Solution

The fourth proportional to 357,762.49, 536,662.12 and 91,525.32 is: 137,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,762.49 : 536,662.12 = 91,525.32 : x
  2. Step 2: Convert to fraction form
    357,762.49/536,662.12 = 91,525.32/x
  3. Step 3: Cross multiply
    357,762.49x = 536,662.12 × 91,525.32
  4. Step 4: Simplify right side
    357,762.49x = 49,118,170,195.19
  5. Step 5: Solve for x
    x = 49,118,170,195.19/357,762.49
  6. Step 6: Final answer
    x = 137,292.68

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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.