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Finding the Fourth Proportional to 86,526.50, 119,406.57 and 46,782.50

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Solution

The fourth proportional to 86,526.50, 119,406.57 and 46,782.50 is: 64,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,526.50 : 119,406.57 = 46,782.50 : x
  2. Step 2: Convert to fraction form
    86,526.50/119,406.57 = 46,782.50/x
  3. Step 3: Cross multiply
    86,526.50x = 119,406.57 × 46,782.50
  4. Step 4: Simplify right side
    86,526.50x = 5,586,137,861.03
  5. Step 5: Solve for x
    x = 5,586,137,861.03/86,526.50
  6. Step 6: Final answer
    x = 64,559.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.