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Finding the Fourth Proportional to 357,768.46, 536,647.11 and 91,526.68

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Solution

The fourth proportional to 357,768.46, 536,647.11 and 91,526.68 is: 137,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,768.46 : 536,647.11 = 91,526.68 : x
  2. Step 2: Convert to fraction form
    357,768.46/536,647.11 = 91,526.68/x
  3. Step 3: Cross multiply
    357,768.46x = 536,647.11 × 91,526.68
  4. Step 4: Simplify right side
    357,768.46x = 49,117,528,309.89
  5. Step 5: Solve for x
    x = 49,117,528,309.89/357,768.46
  6. Step 6: Final answer
    x = 137,288.59

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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.