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Finding the Fourth Proportional to 103,075.53, 154,650.15 and 63,586.68

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Solution

The fourth proportional to 103,075.53, 154,650.15 and 63,586.68 is: 95,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,075.53 : 154,650.15 = 63,586.68 : x
  2. Step 2: Convert to fraction form
    103,075.53/154,650.15 = 63,586.68/x
  3. Step 3: Cross multiply
    103,075.53x = 154,650.15 × 63,586.68
  4. Step 4: Simplify right side
    103,075.53x = 9,833,689,600.00
  5. Step 5: Solve for x
    x = 9,833,689,600.00/103,075.53
  6. Step 6: Final answer
    x = 95,402.76

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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.