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Finding the Fourth Proportional to 103,601.98, 155,420.64 and 32,510.98

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Solution

The fourth proportional to 103,601.98, 155,420.64 and 32,510.98 is: 48,772.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,601.98 : 155,420.64 = 32,510.98 : x
  2. Step 2: Convert to fraction form
    103,601.98/155,420.64 = 32,510.98/x
  3. Step 3: Cross multiply
    103,601.98x = 155,420.64 × 32,510.98
  4. Step 4: Simplify right side
    103,601.98x = 5,052,877,318.63
  5. Step 5: Solve for x
    x = 5,052,877,318.63/103,601.98
  6. Step 6: Final answer
    x = 48,772.01

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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.